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FOC | Family List | FOC Vol. 19 | Linnaeaceae | Zabelia

1. Zabelia triflora (R. Brown) Makino, Makinoa. 9: 175. 1948.

醉鱼草状六道木 zui yu cao zhuang liu dao mu

Abelia triflora R. Brown in Wallich, Pl. Asiat. Rar. 1: 14. 1829; A. angustifolia Bureau ex Franchet; A. buddleioides W. W. Smith; A. buddleioides var. divergens W. W. Smith; A. buddleioides var. intercedens Handel-Mazzetti; A. buddleioides var. stenantha Handel-Mazzetti; Zabelia buddleioides (W. W. Smith) Hisauchi & H. Hara; Z. buddleioides var. divergens (W. W. Smith) Golubkova; Z. buddleioides var. stenantha (Handel-Mazzetti) Hisauchi & H. Hara; Z. stenantha (Handel-Mazzetti) Golubkova.

Shrubs, deciduous, 1-2 m tall. Young branches with retrorse stiff hairs, becoming glabrous. Petiole very short, to 2 mm, hispid. Leaf blade ovate to lanceolate, 15-70 × 5-20 mm, both surfaces glabrous but long hispid on margin and veins abaxially, base cuneate, margin entire to occasionally serrate or lobed, apex acute. Inflorescence a congested terminal thyrse of cymes (cymes 1-3-flowered); pedicels short or nearly absent. Bracts leaflike, lanceolate to obovate; bracteoles linear to subulate, ca. 4 mm, hispid. Calyx of 5 linear sepals, 4-10 × ca. 1 mm, ciliate with stiff hairs. Corolla white, sometimes tinged red, hypocrateriform, 10-20 mm, nearly twice as long as sepals; lobes 5, spreading, suborbicular; tube densely villous inside, with sparsely adpressed hairs outside. Stamens 4, didynamous, included; filaments short, hispid; anthers oblong. Ovary narrowly ovoid, hirsute; styles filiform, exceeding stamens; stigmas capitate. Achene terete, striate, crowned with 5 slightly enlarged and long ciliate persistent sepals. Fl. May, fr. Jun-Aug.

Forests, scrub, grasslands; 1800-3500 m. SW Sichuan, SE Xizang, NW Yunnan [Afghanistan, NW India, Nepal, Pakistan].

The Chinese specimens were previously named as Abelia buddleioides by W. W. Smith (Notes Roy. Bot. Gard. Edinburgh 9: 75. 1915-1916). The type specimen Forrest 12636 from Yunnan is similar to the type of A. triflora var. parvifolia (Clarke) Hisauchi & H. Hara from Pakistan. Nevertheless, the group shows much variation in the size and shape of the leaves and sepals.

2-3. Zabelia biflora species complex

1 Distributed in NE China (Anhui, Hebei, Henan, Liaoning, Nei Mongol, Shanxi).   2 Z. biflora
+ Distributed in SW China (Anhui, Fujian, SE Gansu, Guizhou, Henan, Hubei, Jiangxi, S Ningxia, Shaanxi, Shanxi, Sichuan, Xizang, Yunnan, Zhejiang).   3 Z. dielsii


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