显脉木兰 xian mai mu lan

Basionym: Talauma fistulosa Finet & Gagnepain, Bull. Soc. Bot. France 52(Mém. 4): 31. 1906; Magnolia championii Bentham subsp. fistulosa (Finet & Gagnepain) J. Li; M. fistulosa (Finet & Gagnepain) Dandy; M. phanerophlebia B. L. Chen; M. talaumoides Dandy.

Shrubs or small trees, to 3 m tall, to 6 cm d.b.h., glabrous. Young twigs gray to yellowish gray when dry, 5-7 mm in diam., terete, smooth. Stipular scar 0.7-1.9(-2.5) cm. Petiole (1-)3-6(-7) cm, obviously thickened toward its base; leaf blade obovate to elliptic, 31-34.5(-36) × 9.5-14(-17) cm, leathery, abaxially greenish, adaxially dark green and shiny, midvein conspicuously elevated abaxially, secondary veins (11-)13-17(-19) on each side of midvein, adaxially much impressed, anastomosing with an intramarginal vein, and more prominent on both surfaces than coarsely netted reticulate veins, base cuneate and decurrent with 2 ridges into petiole, apex acuminate, acumen 1-2 cm. Peduncle ca. 2.5 × 0.4 cm, recurved; spathaceous bracts 3, 1 toward base of peduncle, 1 at middle or slightly apically on peduncle, and 1 at base of perianth. Tepals 8 or 9, subequal; outer 3 tepals greenish, thinly leathery; inner 5 or 6 tepals white, fleshy. Stamens numerous. Gynoecium narrowly ovoid; carpels ca. 11. Fruit not seen. Fl. May.

● Evergreen broad-leaved forests; 500-700 m. S Yunnan.