Part 52 - Lhalung and Nyug La botanical notes and river names

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GB 235 LSH/1/1/6/1/52

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Lhalung and Nyug La botanical notes and river names

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  • 1933-05-05 (Creation)

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1 page

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(1898-1967)

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SUMMARY:
Field notes from Lhalung and Nyug La record observations on Rhododendron and Primula species, including diagnostic features and flowering behavior. Local river names around Lhalung are listed. Rhododendron xanthostephanum is noted as previously found by David under No. 3666.

CONTENT:
26a
Lhalung

  1. Rhod. edgeworthii bullatum? This seems to agree with R. bullatum, except for the pink flowers, more distinct on the lobes to base lines: 10 stamens: perhaps the size of the flower, which measured 3" across, even as in nature not pressed. It is common here, but on very high trees, & smaller at the top. A marked difference to all Edgeworthii Series is that the flowers are terminal, but only 1 flowered. X 1/5 Found a good many 2-flowered. No 3-fld.

N.B. Name of Main River at Lhalung is YARGYAP CHONG CHU, called usually, YARGYAP CHU.
" - side river passing camp is the NETSANG CHU.
" - river between Kangma La & Nyug La is CHACHURONG CHU.
" - W of Nyug La is CHUDI CHU.

  1. Rhod. xanthostephanum yellow. Found by David under NO. 3666. There mentioned as being a small shrub, but now seen to be 10-12 ft. Number label attached to tree.

Nyug La. 11th May.

  1. Primula Cortusoides Sect. lacerata = 3749. Nyug La. Specimens taken from low altitude, where flowers are nearly over. Shows the formation of bracts, in the same way as are formed on P. bracteosa. These begin when the plant is still in flower.

  2. Rhod. campylocarpum telopeum. Nyug La. Aff. R. campylocarpum. Very little of this was seen. It hardly seems to agree fully with any of the yellow flowered Thomsonii series.

  3. Rhod. micromeres. Nyug La. Flowers not yet open, but seems to agree with the description of R. micromeres. Little seen.

Note on Primula Normaniana: Flowers first seen all had the yellow eye. Now the eye varies a good deal. It seems that at first the eye is yellow, then turns either white, or very deep red.

  1. Primula Boothii gracilipes = 3671. Nyug La. This primula does not show any elongation of the scape just now. In fact the scape is hardly visible at all. The petioles have lengthened.

  2. Primula aff Bariensis porella = 3673. Nyug La. The leaves of this primula have increased a great deal in size. The color of leaves remains much the same, the upper surface being a little less red tinged. A magnificent primula common in a very limited area. Flower heads up to nine counted.

  3. " " " porella " "

P.T.O

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