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FOC | Family List | FOC Vol. 15 | Styracaceae | Styrax

26. Styrax agrestis (Loureiro) G. Don, Gen. Hist. 4: 5. 1837.

喙果安息香 hui guo an xi xiang

Cyrta agrestis Loureiro, Fl. Cochinch. 1: 278. 1790; Styrax rostratum Hosokawa; S. subcrenatus Handel-Mazzetti.

Trees to 15 m tall. Trunk to 20 cm d.b.h. Branchlets sparsely brownish stellate pubescent or glabrous. Leaves alternate; petiole 0.8--1.5 cm; leaf blade elliptic, oblong, or elliptic-lanceolate, 5--15 X 3--8 cm, papery to almost leathery, abaxially sparsely stellate pubescent, adaxially glabrous, both surfaces yellow-green when dried, base cuneate to broadly cuneate, margin entire or irregularly denticulate, apex slightly curved and acute to acuminate, secondary veins 4--7 pairs, tertiary veins reticulate and conspicuously raised on both surfaces. Racemes terminal, 5--10-flowered, 6--12 cm. Pedicel 0.8--1.5 cm. Flowers 1.5--2.2 cm. Calyx ca. 7 X 5 mm, densely yellow stellate tomentose and pubescent. Corolla tube 4 mm; lobes lanceolate, ca. 12 X 4 mm. Stamens shorter than corolla; filaments flexuous at middle, free parts basal half villose. Fruit cylindrical to oblique-ovoid, 1.2--3 X 0.8--1.6 cm, densely brownish stellate tomentose, apex usually shortly rostrate to shortly pointed. Seeds 1 or 2, brown, ellipsoid, rugose or smooth, densely scaly to glabrous. Fl. Mar-Nov, fr. Sep-Dec.

Dense forests; 100--700 m. S Guangdong, Hainan, S Yunnan [Indonesia, Laos, Malaysia, New Guinea, Vietnam; Pacific Islands].


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