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FOC | Family List | FOC Vol. 11 | Polygalaceae | Polygala

9. Polygala caudata Rehder & E. H. Wilson in Sargent, Pl. Wilson. 2: 161. 1914.

尾叶远志 wei ye yuan zhi

Heterosamara caudata (Rehder & E. H. Wilson) Paiva & P. Silveira; Polygala comesperma Chodat; P. wattersii Hance (1882), not Hance (1881).

Shrubs 1-3 m tall. Young branchlets longitudinally angular and sulcate, yellow pubescent, glabrescent. Leaves alternate, usually congested at apices of branchlets; petiole 5-10 mm, sulcate adaxially; leaf blade green, oblong or oblanceolate, rarely ovate-lanceolate, 3-12 × 1-3 cm, subleathery, both surfaces glabrous, midvein raised abaxially, impressed adaxially, lateral veins 7-12 pairs, raised abaxially, obscure adaxially, anastomosing near margin, reticulate veins indistinct, base attenuate to cuneate, margin entire, slightly recurved, undulate, apex caudate-acuminate or long acuminate. Racemes terminal or axillary at apices of branchlets, several together corymbose or paniculate, 2.4-5(-7) cm, connate pubescent. Pedicel 1-1.5 mm, glabrous; basal bracteoles 3, caducous, deltoid-ovate. Flowers small, 5(-8) mm. Sepals 5, unequal, ciliate, caducous at anthesis; outer sepals 3, ovate, ca. 2 × 1.5 mm, outside pubescent, apex rounded; inner sepals 2, petaloid, obovate to obliquely obovate, large, 4.5(-6) × ca. 3 mm, 3-veined, base attenuate, apex retuse-rounded. Petals 3, connate in lower 3/4, white, yellow, or purple; keel longer than lateral petals, ca. 5 mm, apex with peltate appendages. Stamens 8; filaments ca. 4 mm, lower 3/4 united, forming an open staminal sheath; anthers ovoid. Disk annular. Ovary obovoid, ca. 0.8 mm in diam.; style thickening from base to apex, apex curved and 2-lobed; stigma in lower lobe. Capsule oblong-obovoid, ca. 8 mm, ca. 4 mm in diam., base attenuate, with annular disk, margin narrowly winged, apex retuse. Seeds brown-black, ovoid, ca. 1.5 mm, ca. 1 mm in diam., densely red-brown villous, hiliferous end brown-black convex. Fl. Nov, fr. May-Dec.

● Forests on limestone mountains; 1000-1800(-2100) m. Guangdong, Guangxi, Guizhou, Hubei, Sichuan, Yunnan.


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