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Journal American Rhododendron Society

Current Editor:
Dr. Glen Jamieson ars.editor@gmail.com


Volume 3, Number 2
April 1949

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List of Rhododendrons
Collected on the Yunnan-Tibet Border by J. R. Rock, 1948

The following are the field numbers as listed.

No.   Elev. ft.
1. Rhododendron species. Shrub 5 ft. - forest back of Ch'ang-p'u-tung slopes of Mt. Ke-nyi-chum-po 11,000
2. " Shrub 6-8 ft. - same locality as No. 1  
3. " Tree 8-10 ft. - in gorge back of Ch'ang-p'u-tung  
4. " Tree or shrub 6-9 ft. - in the same location as No. 3  
5. " Shrub 1-2 ft. - alpine region of Mt. Ke-nyi-chum-po 14,500
6. " Shrub 3 ft. - alpine region of Mt. Ke-nyi-chum-po 14,000
7. " Shrub 2 ft. - alpine region of Mt. Ke-nyi-chum-po 14,000
8. " Tree 10 ft. - lower slopes in fir forests of Mt. K 11,000
9. " Tree 6-10 ft. - lower slopes in fir forests of Mt. K. 11,000
10. " Shrub 4-5 ft. - lower slopes in fir forest of Mt. K. 10,500
11. " Shrub 2-5 ft.- Alpine slopes among rocks Mt. K. 15,000
12. " Shrub 3 ft.- Alpine slopes among rocks of Mt. K. 15,000
13. " Shrub 8-10 ft. - halfway slopes in forests of Mt. K. 11,000
14. " Shrub or small tree 6-10 ft. 11,000
15 " Small tree 6-9 ft. - back of Chang-p'u-tung by Salwin 5,600
16. " Tree 15-30 ft. leaves large - halfway slopes spruce forest gorge back of Ch'ang-p-ut'ung 11,000
17. " Shrub 2-3 ft.- near Salwin River 5,600
18. " Shrub 3-5 ft.- alpine region of Mt. Ke-nyi-chum-po 14,000
19. " Shrub 4-6 ft- alpine region, halfway slopes of Mt. K. 11,000
20. " Shrub 2-3 ft.- alpine region, halfway slopes of Mt. K. 14,000
21. " Shrub 1-3 ft.- halfway slopes of Mt. K. 11,500
22. " Shrub 4 ft.- alpine region of Mt. K. 14,000
23. " Shrub 2-3 ft- alpine region of Mt. K. 14,000
24. " Shrub 3-4 ft.- alpine region of Mt. K. 14,000
25. " Tree 25-30 ft.- halfway slope of Mt. K. 12,000
26. " Tree 20-25 ft.- halfway slope of Mt. K. 12,000
27. " Shrub 3-4 ft. - alpine region of Mt. K. 13,000
28. " Tree 10-15 ft. - in spruce forest of Mt. K. 11,500
29. " Tree 8-10 ft. - in spruce forest of Mt. K. 11,500
30. " Tree 15-20 ft.- in spruce forest of Mt. K. 11,500
31. " Shrub 3-4 ft.- alpine region of Mt. K. 13,000
32. " Shrub 4-6 ft.- halfway slopes of Mt. K. 1,500
33. " Shrub 5 ft.- halfway slopes of Mt. K. 11,500
34. " Shrub 5-8 ft.- on cliffs exposed on Mt. K. 12,000
35. " Apocynaceous 5-6 ft.- along river in Ssu-Chi't'ung gorge 10,000
36. " Tree 15-25 ft.- halfway slopes spruce forest S. gorge 10,000
37. " Shrub 8 ft.- halfway slopes spruce forest S. gorge 10,000
38. " Tree 15-30 ft.- halfway slopes spruce forest S. gorge 10,000
39 " Shrub 3-4 ft.- alpine region S. gorge 14,000
40 " Shrub 3-4 ft.- alpine region S. gorge 14,000

Collected in the Ssu-chi-t'ung gorge near Salwin River, the gorge culminates into the Gumba La, a high pass on the Salwin-Irrawaddy

No.   Elev. ft.
41. Rhododendron species Shrub 2-3 ft.- alpine regions of the Gomba La 14,000
42. " Tree 20-35 ft.- halfway up the gorge 11,000
43. " Shrub 1-2 ft. - alpine regions of Gomba La 14,000
44. " Shrub 2-3 ft - alpine regions of Gomba La 14,000
45. " Shrub 1-2 ft.- alpine regions of the Gomba La 14,000
46. " Shrub 2-4 ft - alpine regions of Gomba La 14,000
47. " Shrub 1-2 ft. - Ssu-ch-t'ung gorge near forests 10,500
48. " Shrub 6-8 ft. - Ssu-ch-t'ung gorge near spruce forest 10,500
49. " Shrub 4-6 ft. - Ssu-ch-t'ung gorge near spruce forest 10,500
50. " Shrub8-10 ft. - Ssu-ch-t'ung gorge near spruce forests 10,500
51. " Tree 10-15 ft. - halfway slopes Ssu-ch-t'ung gorge 10,500
52. " Shrub 3-5 ft. - alpine region of Gomba La 13,500
53. " Shrub 3-5 ft. - alpine region of Gomba La 13,500
54. " Shrub 2 ft. - alpine region of Gomba La 14,500
55. Hypericum halfway slope outskirts of Ssu-ch-t'ung gorge 10,000
56. Rhododendron species Shrub 1 ft. - alpine regions of Gomba La 15 000
57. " Shrub 2-3 ft. - halfway slope in spruce forest Ssu-ch-t'ung gorge 15,000
58. " Shrub 1 ft. or less - alpine regions of Gomba La 15,000
59. " 2-3 ft. - alpine regions of Gomba La 13,500
60. " 1-2 ft. - alpine regions of Gomba La 13,500
61. " 2-3 ft. - alpine regions of Gomba La 13,500
62. " 1 ft. - alpine regions of Gomba La 14,000
63. " Tree 10-15 ft. - Ssu-ch-t'ung Gorge in spruce forest 11,000
66. Primula species Alpine meadows below Gomba La 12,500
67. Primula species Alpine meadows below Gomba La 12,000
68. Meconopsis integrifolia Alpine meadows below Gomba La 12,000
69. Meconopsis species Alpine meadows below Gomba La 12,000
70. Rhododendron species Shrub 10 ft. - in gorge near Ch'ang-P'u-t'ung spruce forest 11,000
71. " Tree 15 ft. - Western slope Si La Mekong Salwin divide 12,000
72. " Tree 10-20 ft. - West slope Si La Mekong Salwin divide 12,000
73. " Tree 20 ft. - West slope Si La Mekong Salwin divide 12,000
74. Primula species Valley of Serva Lung-pa near divide between Serwa-Do Yon Lung-pa  
75. Meconopsis blue Valley of Serva Lung-pa near divide between Serwa-Do Yon Lung-pa  
76. Primula species Forest Southwest of Londer to Zhi-dzom La 11,500
77. Primula species Forest Southwest of Londer to Zhi-dzom La 11,500
78. Primula vinciflora Forest Southwest of Londer to Zhi-dzom La 11,500
79. Primula species Alpine meadows of Londer to Zhi-dzom La 11,500
80. Meconopsis species fruit, spine fruit- Alpine meadows of L. to Z. La 11,500
81. Meconopsis species blue Alpine meadows of L. to Z. La 11,500
82. Meconopsis integrifolia Alpine meadows of L. to Z. La 11,500
83. Primula muliensis in mossy rhododendron forest 12,500
84. Primula species blue - near top of Si La Pass 15,000
85. Primula species near top Si La Pass 15,000
86. Meconopsis species blue near top of Si La Pass 15,000
87. Primula species In Alpine meadows 12,000
88. Meconopsis species In alpine meadows 12,000
89. Meconopsis integrifolia Alpine meadows below Si La 11,500
90. Primula species blue Alpine meadows below Si La 11,500
91. Primula species blue Below Si La 12,000
92. Rhododendron species ft. - Eastern slopes of Si La, Mekong valley  
93. " 6 ft. - Pine forest, below Si La 10,000
94. " 5-6 ft. - high mts., back of Tze-chung. Below Si La  
95. " 2-3 ft. - Among rocks back of Tze-chung. Below Si La 12,000
96. " 6 ft. - in spruce forest below Si La 12,000
97. " Tree 20-25 ft. - in spruce forest below Si La 12,500
98. " Tree 9-10 ft. - Fir forest below Si La 12,500
99. " Shrub 4 ft. - Fir. forest below Si La 12,500
100. " Tree 6-10 ft. - Fir forest below Si La 12,500

Collected Southwest of the mountains of Londer, West of Zhi-dzom La, Salwin Mekong Divide.

No.   Elev. ft
101. Rhododendron species Shrub 2-3 ft. - in fir forest 11,500
102. " Tree 15-20 ft. - In Abies chensiensis forest 12,000
103. " Tree 10-15 ft. - In Abies chensiensis forest 12,000
104. " Shrub 3-4 ft. - Alpine regions of Tzi-dzom La 14,000
105. " Shrub 1 ft. or less - in grass on top of Tzi-dzom La 14,500
106. " ? ? ?  
107. " Shrub 6-10 ft. - Alpine regions of Zhi-dzom La 14,000
109. " Shrub 2-3 ft. - Alpine regions of Zhi-dzom La 14,000
110. " Shrub 2 ft. - Alpine regions of Zhi-dzom La 14,000
111. " Shrub 2-3 ft. - Alpine regions of Zhi-dzom La 14,000
112. " Shrub 2-3 ft. - alpine regions of Zhi-dzom La 14,000
113. " Shrub 2-3 ft. - Alpine regions of Zhi-dzom La 14,000
114. " Shrub 5-6 ft. - Alpine regions of Zhi-dzom La in firs 14,000
115. " Shrub 6-8 ft. - Alpine regions of Zhi-dzom La in firs 13,000
116. " Shrub3-4 ft. - Alpine regions of Zhi-dzom La in firs 13,000
117. " Tree 9-15 ft. - in spruce forests of Zhi-dzom La in firs 13,000
118. " Tree 10-15 ft. - in spruce forests of Zhi-dzom La in firs 13,000
119. " Shrub 2 ft. - margin of forest below Zhi-dzom La 12500
120. " Tree 15-18 ft. - spruce forest below Zhi-dzom La 12,000
121. " Shrub 6-8 ft. - spruce forest below Zhi-dzom La 12,000
122. " Shrub 3-5 ft. - spruce forest below Zhi-dzom La 12,000
123. " Shrub 5-6 ft. - Spruce forest of Zhi-dzom La 12,000
124. " Shrub 2-3 ft. - Alpine region of Zhi-dzom La 14,000
125. " Shrub 2-4 ft. - Alpine region of Zhi-dzom La 14,000
126. " Shrub 2-5 ft. - Alpine region of Zhi-dzom La 14,000
127. " Shrub 1/2-1 ft. - Alpine region of Zhi-dzom La 14,000
128. " Shrub 3-4 ft. - Alpine region of Zhi-dzom La 14,000
129. " Tree 6-10 ft. - Spruce forest below Zhi-dzom La 12,000

Collected on Eastern slopes of Mekong Salwin divide north of the Si La.

No.   Elev. ft.
130. Rhododendron species Shrub 6-8 ft. - in spruce forest 12,000
131. " Shrub 6-9 ft.- in spruce forest 12,000
132. " Shrub 1/2 ft. Flowers red - sum. on range among rock 15,000
133. " Tree 10-15 ft. - in pine forests 10,000
134. " Tree 8-15 ft. - in fir forest 13,000
135. " Shrub 4-5 ft. - among rocks and cliffs 11,000
136. " Shrub 2-3 ft. - near top of the range 14,000
137. " Tree 8-10 ft. - in spruce forest 11,000
138. " Shrub 4-5 ft. - near top of range 13,500
139. " Shrub 6-8 ft. - Alpine region 13,000
140. " Tree 15-25 ft. - in fir forest 12,000
141. " Shrub 6-8 ft. - Alpine region 14,000
142. " Shrub G-8 ft - Alpine region 14,000
143. " Tree 10-15 ft. - fir forest E. slope Mekong Salwin divide  
144. " Shrub 63-8 ft. - fir forest F. slope M. S. divide 12,000
145. " Tree 6-10 ft. - fir forest E. slope M. S. divide 12,500
146. " Shrub 3-4 ft. - Alpine regions E. slope M. S. divide 14,000
147. " Shrub 5 ft. - Alpine regions E. slope M. S. divide 14,000
148. " Shrub 6-8 ft. - Spruce forest E. slope M. S. divide 12,000
149. " Shrub 2 ft. - Alpine regions among rocks M. S. divide 14,500
150. " Shrub 3-5 ft. - Alpine regions among rocks M. S. divide 14,500
151. " Shrub 2 ft. - Alpine regions among rocks M. S. divide 14,500
152. " Shrub 1 ft. - Alpine regions among rocks M. S. divide 14,500
153. " Tree 25 ft. - fir forests E. slope M. S. divide 11,000
154. " Shrub 6-9 ft. - fir forests E. slope M. S. divide 13,000
155. " Tree 6-10 ft. - fir forests E. slope M. S. divide 12,500
156. Hemerocallis species on banks of the Mekong north of Tze Cung 6,000
157. Torreya species Tree 40-50 ft. - Mountains of Nda-mu-ch'ung 10,000

Collected on Mt. Ju-ch'uan Shan, Mekong Salwin divide Lan-p'ung territory south of Wei-hai. Near the Burma border.

No.   Elev. ft.
158. Rhododendron species Uvarifolium tree 30-40 ft. in pine forest 11,000
159. " Shrub 9-10 ft. - in pine forest 11,000
160. " Tree 10 ft. - Spruce forest 12,000

Collected on Mt. Ju-ch'uan-Shan

No.   Elev. ft.
161. Rhododendron species Shrub 0-8 ft. - Spruce forest 11,000
162. " Tree 10-1.5 ft. - Spruce forest 11,000
163. " Shrub 5-10 ft. - Spruce forest 11,000
164. " Shrub 6-8 ft. - Spruce forest 11,000
165. " Shrub 3-4 ft. - Alpine region in fir forest 13,000
166. " Shrub 4-5 ft. - near summit overlooking Salwin 14,000
167. " Tree 25-30 ft. - in fir forest 12,500
168. " Shrub 6-9 ft. - in fir forest 12,500
169. " Shrub 5-6 ft. - in fir forest 12,000
170. " Tree 25 ft. - in fir forest 12,000
171. " Shrub 2-3 ft. - From Zhi-dzom La (no seeds) 14,000

Collected in the mountains west of Whi-hsi and east of the Mekong Yangtze divide on Hsueh-lung Shan (Snow Dragon Mountain)

No.   Elev. ft.
172. Rhododendron species Tree 30 ft. - in spruce forest 11,000
173. " Tree 30 ft. tall 1 ft. in diameter-Spruce forests 11,000
174. " Tree 30 ft. - Spruce forest 11,000
175. " Shrub 2-3 ft. - Alpine regions 13,000
176. " Tree 10-15 ft. - Fir forests 13,000
177. " Shrub 6-8 ft. - Pine forests 9,000
178. " Shrub 2-3 ft. - Alpine regions (See heading)  
179. " Tree 10-15 ft. - Slopes of Mekong Yangtze divide West Wei-hsi  
180. " Tree 15-20 ft. - Spruce forests 11,000
181. " Tree 15 ft. - Spruce forests 11,000
182. " Tree 25-30 ft. - Spruce and fir forest 12,000

Collected on Mt. Lo-ping Shan District of Erh-yun Southwest of Li-chian

No.   Elev. ft.
183. Rhododendron species Shrub 3-1 ft. flowers red, Curved tubular-Lower, drier slopes of Lo-P'ing Shan  
184. " Shrub 6-8 ft. - Pine forest 10,500
185. " Tree 10 ft. - Spruce forest E. slopes of Lo-p'ing Shan  
186. " Tree 10 ft. - Spruce forest E. slopes of Lo-p'ing Shan  
187. " Tree 15 ft 11,000
188. " Shrub 1 ft. - Alpine region 13,000
189. " Tree 15 ft. - Spruce forest 12,000
190. " Tree 10 ft. - Spruce forest 12,000
191. " Tree 15-20 ft. - Spruce forest 12,000
192. " Tree 15-20 ft. - Spruce forest W. slopes of Lo-p'ing Shan 12,000
193. " Tree 30-40 ft. forming forests. Trunks 2 ft. diameter 12,000
194. Primula pseudosikkimensis Alpine meadow top of Lo-p'ing Shan 14,000
82. Magnolia Species Tree 20-25 ft. Large leaves. - Mountains west of Ch'ang-p'ut'ung Mekong Salwin divide 12,000
83. Magnolia Species Tree 10-15 ft. - Same location as preceding.  
84. Magnolia Species Shrub or small tree 6-8 ft. - Same location.  
85. Magnolia Species Shrub or small tree cultivated in the Lamasery of Ch'ang-p'u-tung  
86. Magnolia Species Tree 50-70 ft. - Mountains of Sau-chi-t'ung in mixed forests of Birch, Spruce and Fir.  


Volume 3, Number 2
April 1949

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