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Adinandra hainanensis

Description from Flora of China

Adinandra hainanensis Merrill (1923), not Hayata (1913); A. maclurei Merrill; A. rubropunctata Merrill & Chun.

Shrubs or trees, 5-10(-25) m tall. Young branches grayish brown to brown, glabrous; current year branchlets reddish brown, densely yellowish brown appressed pubescent; terminal buds yellowish brown pubescent. Petiole 5-10 mm, pubescent; leaf blade oblong-elliptic to oblong-obovate, 6-8(-13) × 2-3(-6) cm, leathery, abaxially pale green, appressed pubescent when young but glabrescent, and densely reddish brown glandular punctate, adaxially shiny green, midvein abaxially not impressed, secondary veins 10-13 on each side of midvein, secondary and reticulate veins evident on both surfaces, base cuneate, margin serrulate, apex shortly acuminate. Flowers axillary, solitary or paired. Pedicel 7-10(-20) mm, recurved, grayish brown pubescent or glabrescent; bracteoles caducous, ovate, 3-5 × 1.5-3 mm, outside appressed pubescent. Sepals ovate, 6-10 × 6-7 mm, outside grayish brown sericeous, apex slightly acute to subrounded; outer sepals thicker, margin reddish glandular denticulate; inner sepals membranous, margin entire. Petals white, oblong to oblong-elliptic, 7-9 × 3-5 mm, outside yellowish brown sericeous along median portion, basally connate, apex obtuse. Stamens 30-45, 5.5-7 mm; filaments 3-4 mm, glabrous, adnate to base of sepals; anthers linear, 2-3 mm, with filiform trichomes, connective with a ca. 1 mm apiculum. Ovary ovoid, densely tawny sericeous, 5-loculed with many ovules per locule; style simple, 5-7 mm, sericeous. Fruit purplish black, globose, 1-1.5 cm in diam., pubescent, 5-loculed with many seeds per locule. Seeds black, compressed reniform, shiny. Fl. May-Jun, fr. Sep-Oct.

Forests or thickets on mountain slopes or in valleys; 1000-1800 m. SW Guangdong, S Guangxi, Hainan [N Vietnam].


 

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