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16. Erythronium Linnaeus, Sp. Pl. 1: 305. 1753.
猪牙花属 zhu ya hua shu
Chen Xinqi (陈心启 Chen Sing-chi); Minoru N. Tamura
Herbs perennial, bulbiferous. Bulb deep seated, usually cylindric or narrowly oblong; tunic membranous. Stem simple. Leaves 2, borne near middle of stem, apparently opposite, petiolate, unequal, usually ± reticulate veined. Inflorescence 1- to several flowered, racemose or umbellate; bracts usually absent. Flowers bisexual, nodding, rather large. Tepals 6, free, spreading, recurved, or reflexed. Stamens 6, inserted at base of tepals; filaments filiform to slightly flattened, usually unequal; anthers basifixed. Ovary 3-loculed; ovules several to numerous per locule. Style filiform or slightly thickened distally; stigma 3-lobed. Fruit a capsule, subglobose to ellipsoid, 3-angled, loculicidal. Seeds compressed or somewhat swollen.
Twenty-four species: temperate regions of the N hemisphere, mainly in North America; two species in China.
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Filaments filiform to subulate, not flattened, less than 1 mm wide; leaf blade 2.5--6.5 cm wide |
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1 Erythronium japonicum |
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Filaments flattened near middle, flattened portion ca. 1.5 mm wide; leaf blade 1--2.5 cm wide |
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2 Erythronium sibiricum |
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Lower Taxa
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