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

3. Houpoëa rostrata (W. W. Smith) N. H. Xia & C. Y. Wu, Fl. China. 7: 65. 2008.

长喙厚朴 chang hui hou po

Basionym: Magnolia rostrata W. W. Smith, Notes Roy. Bot. Gard. Edinburgh 12: 213. 1920.

Trees, to 25 m tall. Bark pale gray. Vegetative buds and young twigs reddish brown curved villous. Twigs green at first then turning brown, strong and thick; axillary vegetative buds grayish green, terete, glabrous. Stipular scar significantly prominent, nearly 1/3-2/3 as long as petiole. Leaves 7-9 clustered on twig apex; petiole strong and thick, 4-7 cm, at first with trichomes; leaf blade obovate to broadly obovate, 34-50 × 21-23 cm, thickly papery, abaxially glaucous and reddish brown curved villous, adaxially green and glossy, secondary veins 28-30 on each side of midvein, base broadly cuneate to cordate, apex broadly rotund, shortly acute, or sometimes 2-cleft. Flowers appearing after leaves, 8-9 cm in diam., fragrant. Tepals 9-12; tepals of outer whorl outside green flushed slightly pink and inside pink, oblong-elliptic, 8-13 × ca. 5.6 cm, reflexed; tepals of inner 2 whorls purely white, obovate-spoon-shaped, 12-14 cm, erect, base clawed. Stamens purplish red; filaments ca. 5 mm; connective exserted and forming a triangular mucro; anthers ca. 1 cm. Gynoecium cylindric. Fruit terete, 11-20 × ca. 4 cm, erect, base broadly rounded, apex gradually narrowing; mature carpels with a 5-8 mm curved beak. Seeds ca. 7 × 5 mm, flat. Fl. May-Jul, fr. Sep-Oct.

Broad-leaved forests; 2100-3000 m. SE Xizang (Mêdog), W Yunnan [NE Myanmar].

This species is grown as an ornamental and is used medicinally.


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