Rhododendron oligocarpum W. P. Fang & S. S. Chang
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publication ID |
https://doi.org/ 10.3897/phytokeys.243.121263 |
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DOI |
https://doi.org/10.5281/zenodo.11658927 |
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persistent identifier |
https://treatment.plazi.org/id/941FBE28-93BD-5C73-BEC0-7F256EB42582 |
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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) .
| CCNU |
Central China Normal University |
| IBSC |
South China Botanical Garden |
| HGAS |
Guizhou Academy of Sciences |
| GFS |
Guizhou Forestry School |
| KUN |
Kunming Institute of Botany, Chinese Academy of Sciences |
| PE |
Institute of Botany, Chinese Academy of Sciences |
| IBK |
Guangxi Institute of Botany |
| HTC |
Hangzhou Normal College |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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