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FOC | Family List | FOC Vol. 16 | Convolvulaceae | Cuscuta

7. Cuscuta reflexa Roxburgh, Pl. Coromandel. 2: 3, t. 104. 1798.

大花菟丝子 da hua tu si zi

Stems yellow or yellowish green, stout, 2-3 mm in diam., with brown spots. Inflorescences lateral, few to many flowered, in racemes or panicles 1.5-3 cm, branched; bracts and bractoles scalelike. Pedicel 2-4 mm, together with peduncle, brown spotted or tuberculate. Calyx cupular; sepals 5, broadly ovate, equal, 2-2.5 mm, with a few tubercles abaxially, apex rotund. Corolla white or creamy, fragrant, tubular, 5-9 mm; lobes early deciduous, often reflexed, sometimes erect, triangular-ovate, shorter than tube. Stamens inserted at throat; filaments shorter than anthers or absent; anthers elliptic-ovate; scales oblong, reaching middle of tube, short and densely fimbriate. Ovary ovate-conical. Style 1, very short or absent; stigma divergent or erect, elongated, ligulate, longer than style. Capsule conical-globose, subquadrate when mature, 5-10 mm in diam., circumscissile. Seeds 1-4, dark brown, oblong, ca. 4 mm. 2n = 28, 32, 36, 42.

On shrubs; 900-2800 m. Hunan, Sichuan, Xizang, Yunnan [Afghanistan, India, Indonesia, Malaysia, Myanmar, Nepal, Pakistan, Sikkim, Sri Lanka, Thailand]


1 Flowers 5-9 mm; corolla tube ca. 2 as long as lobes; stamens with very short filaments; style very short   7a var. reflexa
+ Flowers ca. 6 mm; corolla tube 1-2 as long as lobes; stamens sessile at sinuses; stigma conical, almost sessile   7b var. anguina

Lower Taxa


 

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