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FOC | Family List | FOC Vol. 7 | Magnoliaceae | Michelia

13. Michelia lacei W. W. Smith, Notes Roy. Bot. Gard. Edinburgh. 12: 216. 1920.

壮丽含笑 zhuang li han xiao

Magnolia lacei (W. W. Smith) Figlar; Michelia magnifica Hu; M. pachycarpa Y. W. Law & R. Z. Zhou; M. tignifera Dandy; M. uniflora Dandy.

Trees, to 15 m tall, to 18 cm d.b.h. Twigs 0.7-1 cm in diam., sparsely pale brown villous when young, later glabrescent, with elliptic coarse lenticels. Petiole 2.5-3 cm, without a stipular scar; leaf blade oblong-elliptic to elliptic, 14-17 × 6-8 cm, leathery, both surfaces glabrous, adaxially green and glossy, midvein impressed and abaxially dark green, secondary veins 15-20 on each side of midvein, reticulate veins prominent on both surfaces when dry, base broadly cuneate and slightly decurrent on petiole, margin slightly reflexed, apex acuminate to acute. Brachyblasts 3-4 cm, stout, with brown long trichomes on nodes, with 3 or 4 bract scars; spathaceous bracts several, thin, with white appressed trichomes. Tepals 9, in 3 whorls; outer 3 tepals obovate-spoon-shaped, ca. 6 × 2.5 cm, base clawed; innermost tepals 3-5.5 × ca. 1 cm. Stamens ca. 2.3 cm; filaments ca. 3 mm; connective exserted and forming a 1-2 mm mucro; anthers ca. 2 cm, dehiscing laterally. Gynophore ca. 2.5 cm, puberulous; gynoecium ca. 1.7 cm; carpels ca. 12, narrowly ovoid, ca. 4 mm, glabrous; ovules 10 per carpel; styles 3-4 mm. Fruit not seen. Fl. Feb. 2n = 38.

Forests; ca. 1500 m. SE Yunnan (Luxi, Maguan) [Myanmar, N Thailand, Vietnam].


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