Allium geyeri S. Wats.  
Family: Amaryllidaceae
Geyer's onion,  more...
Allium geyeri image
Max Licher  
Bulbs 2-10+, not rhizomatous, ovoid or more elongate, 1-2.5 × 0.8-2 cm; outer coats enclosing 1 or more bulbs, gray or brown, reticulate, cells rather coarse-meshed, open, fibrous; inner coats whitish, cells vertically elongate and regular or obscure. Leaves persistent, usually green at anthesis, usually 3-5, sheathing less than 1/4 scape; blade solid, ± straight, flat, channeled, (6-)12-30 cm × 1-3(-5) mm, margins entire or denticulate. Scape persistent, solitary, erect, terete or somewhat 2-angled, 10-50 cm × 1-3 mm. Umbel persistent, erect, compact, 10-25-flowered, hemispheric to globose, not producing bulbils, or 0-5-flowered, largely replaced by ovoid, acuminate bulbils; spathe bracts persistent, 2-3, mostly 1-veined, ovate to lanceolate, ± equal, apex acuminate, beakless. Flowers urceolate-campanulate, (4-)6-8(-10) mm; tepals erect or spreading, pink to white, ovate to lanceolate, ± equal, not withering in fruit and permanently investing fruit, or withering if fruit not produced, midribs papillose, becoming callous-keeled, margins often obscurely toothed, apex obtuse to acuminate; stamens included; anthers yellow; pollen yellow; ovary when present, inconspicuously crested; processes 6, central, low, distinct or connate in pairs across septa, ± erect, rounded, margins entire, becoming variously developed or obsolete in fruit; style linear, ± equaling stamens; stigma capitate, unlobed or obscurely lobed; pedicel becoming rigid and stiffly spreading in fruit, 8-13 mm. Seed coat shining; cells each with minute, central papilla.
Allium geyeri image
Max Licher  
Allium geyeri image
Max Licher  
Allium geyeri image
Patrick Alexander  
Allium geyeri image
Patrick Alexander  
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