Rhododendron oligocarpum W. P. Fang & S. S. Chang
publication ID |
https://doi.org/ 10.3897/phytokeys.243.121263 |
DOI |
https://doi.org/10.5281/zenodo.11658927 |
persistent identifier |
https://treatment.plazi.org/id/941FBE28-93BD-5C73-BEC0-7F256EB42582 |
treatment provided by |
|
scientific name |
Rhododendron oligocarpum W. P. Fang & S. S. Chang |
status |
syn. nov. |
Rhododendron oligocarpum W. P. Fang & S. S. Chang View in CoL syn. nov.
Type.
China. Guizhou province: Yinjiang county, Sanduodian, 2070 m elev, 14 april 1964, Z. S. Zhang et al. 401557 (holotype: HGAS 0088928!; isotypes: IBSC 0481928!; PE 01297915!, PE 01297916!; paratype: HGAS 007915!; IBK 00187538!, IBK 00187539!, IBK 00187541!, IBK 00187559!; PE 00312607!, PE 00313389!; KUN 540382!; SZ 0036179!).
Description.
Shrubs or small trees, 3–6 m tall; bark grey, dehiscent on drying; branchlets terete, setose when young, gradually glabrescent. Petiole rounded abaxially, furrowed adaxially, 5–15 mm, densely setose; leaf blade leathery, elliptic or obovate, 4–8 × 2–4 cm; base rounded or subcordate; margin revolute, apex rounded, with small apiculate; adaxial surface green, abaxial surface pistachio; mid-rib impressed abaxially, grooved adaxially, glabrous or sometimes sparsely hairy; lateral veins 11–15 - paired, slightly conspicuous on both surfaces. Inflorescence racemose-umbellate, 3–5 - flowered; rachis 5–7 mm, tomentose. Pedicel 1–2 cm, densely setose-tomentose; Calyx small, discoid, lobes 5, triangular, tomentose, 1–2 mm. Corolla campanulate, purple-red to rose-red, with deep purple basal spots, 3–3.5 cm; lobes 5, suborbicular, ca. 1.5 × 2 cm, apex emarginate; stamens 10, unequal, 1–3 cm, filaments puberulent at base; ovary cone-shaped, 4–5 mm, densely densely setose and tomentose; style 2.5–3 cm, glabrous, stigma slightly expanded. Capsule cylindrical, 20–25 × 7 mm, rough. Flowering from April to May and fruiting from September to October.
Distribution and habitat.
Rhododendron leishanicum is distributed in Eastern Guizhou and North-eastern Guangxi. It grows in Thickets at 1800–2500 m a. s. l.
Specimens examined.
China. Guizhou: Qiandongnan Prefecture, Leigong Mountain, P. L. Song 1016 ( GYBG barcode 0002282, 0002283), 4407 ( CCNU barcode 9018123), 4717 ( CCNU barcode 9018122); Tongren City, Fanjing Mountain, Z. S. Zhang et al. 401673 ( IBSC barcode 0481934), 401317 ( HGAS barcode 0088940, IBSC barcode 0481929), 400681 ( HGAS barcode 0088933), 400610 ( HGAS barcode 0088939), Z. P. Jian 32039 ( HGAS barcode 0088938), Wuling Mountain Expedition 731 ( GFS barcode 0007355, KUN barcode 0339467, 0339468, PE barcode 00258535), 1348 ( GFS barcode 0007356, KUN barcode 0339469). Guangxi: Guilin City, Maoer Mountain, G. Z. Li 11272 ( IBK barcode 00187540), 12378 ( IBK barcode 00187542), 12084 ( IBK barcode 00187561), F. X. Jin 1066 ( HTC barcode 0010523, 0010524, 0010525), J. X. Zhong 83311 ( IBK barcode 00187551, 00187552, IBSC barcode 0481913), 83523 ( IBK barcode 00187560), 81647 ( IBK barcode 00187566, 00187567), L. M. Gao 20077 ( KUN barcode 0767388, 0767389).
Z |
Universität Zürich |
S |
Department of Botany, Swedish Museum of Natural History |
HGAS |
Guizhou Academy of Sciences |
IBSC |
South China Botanical Garden |
PE |
Institute of Botany, Chinese Academy of Sciences |
IBK |
Guangxi Institute of Botany |
KUN |
Kunming Institute of Botany, Chinese Academy of Sciences |
SZ |
Sichuan University |
P |
Museum National d' Histoire Naturelle, Paris (MNHN) - Vascular Plants |
L |
Nationaal Herbarium Nederland, Leiden University branch |
CCNU |
Central China Normal University |
GFS |
Guizhou Forestry School |
G |
Conservatoire et Jardin botaniques de la Ville de Genève |
F |
Field Museum of Natural History, Botany Department |
HTC |
Hangzhou Normal College |
J |
University of the Witwatersrand |
M |
Botanische Staatssammlung München |
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