Rhododendron rupivalleculatum P.C.Tam

Guihaia 1982. 2(2): 69.

WFO ID: wfo-0001228141

IPNI ID: urn:lsid:ipni.org:names:900792-1

Verified by:

Description

Shrub to 60cm. Twigs rounded, rough, scaly and densely papillose with scale bases. Leaves 3–4 together in pseudowhorls. Blade 14–20 x 8–10mm, spathulate-obovate; apex emarginate, apiculate with a small protruding gland; margin conspicuously recurved; base tapering; upper surface yellowish-green, lower paler, sparsely scaly. Mid-vein conspicuous; laterals veins 3–4 per side, just visible above, inconspicuous below. Petiole to 3mm. Inflorescence terminal, 1-flowered. Pedicels 10–15mm, slender, shortly hairy and scaly. Calyx shortly hairy and sparsely scaly, 5-lobed, the lobes rounded, to 1.2 x 1mm, sparsely bristly-ciliate. Corolla 10–12 x c.14mm, broadly campanulate, yellow; tube sparsely scaly outside; lobes 6–7.5mm, ovate-spathulate, spotted with red. Stamens 8–10mm, the filaments hairy about the middle. Ovary to 2.2mm, shortly cylindrical, densely hairy and scaly; style c.5mm, bent downwards; stigma depressed-rounded to broadly 5-lobed. Fruit 9–12mm, oblong, scaly and hairy.

Distribution

China, Guangxi Province, Longsheng Xian, Shaling Da Miao Shan. Guangdong Province, Lechang Xian, Yenbay Shan.

Altitude

Habitat

Growing terrestrially amongst rocks.

Nomenclatural History

Notes

References

Argent, G. (2006) Rhododendrons of subgenus Vireya. RHS:London. Page:31