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FOC | Family List | FOC Vol. 19 | Annonaceae | Polyalthia

4. Polyalthia fragrans (Dalzell) Bentham & J. D. Hooker in J. D. Hooker, Fl. Brit. India. 1: 63. 1872.

伞花暗罗 san hua an luo

Guatteria fragrans Dalzell, Hooker’s J. Bot. Kew Gard. Misc. 3: 206. 1851.

Trees to 18 m tall. Branches hoary when young. Petiole 1-1.8 cm; leaf blade ovate-oblong to oblong-lanceolate, 10-24 × 5-12.5 cm, membranous, abaxially minutely puberulent on major veins but glabrescent, adaxially glabrous or puberulent, secondary veins 14-16 on each side of midvein, oblique, close-set, parallel, and abaxially very prominent, reticulate veins inconspicuous, base rounded, apex rounded to long acuminate. Inflorescences in axils of fallen leaves or on woody tubercles on branches, cymose, pedunculate, few to many flowered, hoary-tomentose. Flowers fragrant. Pedicel to 2.5 cm, slender; bracteoles inserted below middle of pedicel, orbicular. Sepals orbicular, ca. 3 mm in diam., recurved at anthesis, outside densely felted puberulent. Petals greenish yellow to pale yellow, linear, 3.8(-5) × ca. 0.5 cm, subequal, densely minutely hairy. Stamens many; connectives apically truncate. Carpels many, hairy. Fruiting pedicel to 3.5 cm; monocarp stipes to 5 cm, densely pubescent; monocarps broadly ovoid, 2.5-4 cm, walls thin and brittle, surface hoary. Seed 1 per monocarp. Fl. Apr-May, fr. Jun-Aug.

Forested slopes; ca. 700 m. S Yunnan [India].


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