白菊木 bai ju mu

Gochnatia decora (Kurz) Cabrera.

Small trees, (1-)3-8(-10) m. Leaves alternate; petiole 1.5-4 cm; leaf blade elliptic or oblong-lanceolate, 6-26 × 2.5-10 cm, papery, abaxially tomentose, adaxially glabrate, base cuneate, often unequal, margin repand, with sparse minutely callose serrae, apex acute, obtuse, or mucronate. Capitula in a dense 6-14-headed terminal glomerule, 8-10 mm in diam.; involucre 4-7 mm in diam.; phyllaries 6-8-seriate, outer phyllaries ovate, shorter, 1.5-4 mm, lanuginous, median phyllaries broadly ovate or ovate-lanceolate, ca. 6 mm, sparsely lanuginous, inner phyllaries narrowly oblong or linear, 13-15 mm, glabrous. Hysteranthous florets 5-7, corollas white, deeply 5-lobed, lobes 7-8 mm; anther tails ca. 3 mm. Achenes 1-1.2 cm; pappus light red or straw-colored yellowish, 1.3-1.5 cm. Fl. Mar-Apr. 2n = 54.

Forests, forest margins, scrub; 1000-1900 m. S and W Yunnan [Myanmar, Thailand, Vietnam].