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FOC | Family List | FOC Vol. 14 | Apiaceae | Rhododendron

429. Rhododendron euchroum I. B. Balfour & Kingdon Ward., Notes Roy. Bot. Gard. Edinburgh. 9: 228. 1916.

滇西杜鹃 dian xi du juan

Dwarf shrubs, 0.5–0.6 m tall; young shoots floccose-tomentose and glandular-hairy. Petiole narrowly winged, ca. 10 mm, setulose-glandular, also floccose; leaf blade leathery, 4–7.5 × 1.7–3 cm; base cuneate; apex rounded, apiculate; abaxial surface with indumentum 2-layered, upper layer fulvous, spongy, lower layer appressed, whitish, epidermis epapillate; adaxial surface green, rugose, glabrous; midrib grooved adaxially; lateral veins 7–8-paired, impressed adaxially. Inflorescence an umbel, 4- or 5-flowered; rachis short. Pedicel ca. 1.5 cm, densely glandular-hairy, and floccose-tomentose; calyx lobes 5, 1–2 mm, rounded, densely tomentose and glandular-hairy; corolla tubular-campanulate, fleshy, bright red to scarlet, 2.3–3 cm, with 5 basal nectar pouches; lobes 5, suborbicular, ca. 1 cm; stamens 10, 2–4 cm, filaments pubescent at base; ovary conoid, tapering into the style, ca. 5 mm, densely glandular-hairy and stellate-tomentose; style ca. 2.2 cm, densely tomentose and glandular below; stigma small. Capsule not known. Fl. Jul.

Thickets, slopes; 3200–3300 m. W Yunnan [NE Myanmar].


 

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