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FOC | Family List | FOC Vol. 24 | Liliaceae | Allium

6. Allium prattii C. H. Wright ex Hemsley in F. B. Forbes & Hemsley, J. Linn. Soc., Bot. 36: 124. 1903.

太白山葱 tai bai shan cong

Allium cannifolium H. Léveillé; A. prattii var. ellipticum F. T. Wang & T. Tang; A. prattii var. vinicolor F. T. Wang & T. Tang; A. victorialis Linnaeus var. angustifolium J. D. Hooker.

Bulb solitary or clustered, subcylindric; tunic grayish brown to blackish brown, reticulate. Leaves 2, subopposite, rarely 3, linear, linear-lanceolate, elliptic-lanceolate, elliptic-oblanceolate or rarely narrowly elliptic, shorter than to subequaling scape, 0.5--4(--7) cm wide, base gradually narrowed into an obscure petiole, apex acuminate. Scape 10--60 cm, terete, covered with leaf sheaths only at base. Spathe 1- or 2-valved, persistent. Umbel hemispheric. Pedicels subequal, 2--4 × as long as perianth, ebracteolate. Perianth purple-red to pale red, rarely approaching white; outer segments narrowly ovate, oblong-ovate, to oblong, 3.2--5.5 × 1.4--2(--2.9) mm, apex obtuse, retuse, or denticulate; inner ones lanceolate-oblong to narrowly oblong, 4--7 × 1--1.5(--2.5) mm. Filaments slightly longer than to 1.5 × as long as perianth segments, connate at base and adnate to perianth segments; outer ones subulate; inner ones narrowly triangular, 0.8--1.5 mm wide at base. Ovary constricted at base into a short stipe; ovules 1 per locule. Fl. And fr. end of Jun--Sep. 2 n = 16*, 32*.

Shady and damp forests, thickets, scrub, stream banks, slopes, meadows; 2000--4900 m. Anhui, Gansu, Henan, Qinghai, Shaanxi, Sichuan, Xizang, Yunnan [Bhutan, India, Nepal, Sikkim].


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