Ixeris stolonifera

蔓苦賈

Ixeris stolonifera A. Gray

名彙資訊

特徵描述

典藏標本

數位照片

分布位置

相關資訊

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A. Gray, Memoirs of the American Academy of Arts and Science, new series 6: 396. 1859. (Mem. Amer. Acad. Arts, n.s.)

Lu, Quarterly journal of Chinese forestry 11(3): 112. photo 14. 1978. (Quart. J. Chin. For., 中華林學季刊)

無

無

herb

Small herbs, glabrous throughout, stems slender, creeping, stoloniferous.
Leaves long-petiolate, ovate, membranaceous, 7–20×5–15 mm, entire or subentire, with few obsolete minute teeth, apex obtuse, base cuneate; petiole 1–3.5 cm long.
Heads yellow, 2–2.5 cm across, involucre 8–10 mm long, inner phyllaries 9 or 10, linear, outer ones 2–3.5 mm long; pedicel slender, 5.5–10 cm long.
Achenes 4–6 mm long, apex rostrate, beak 2–3 mm long; pappus 4–5 mm long.
Chromosome number, 2n = 16 (Peng et al., Bot. Bull. Acad. Sin. 27: 221. 1986).