Difference between revisions of "Schoenolirion"
J. Acad. Nat. Sci. Philadelphia, ser. 2, 3: 103. 1855.
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Latest revision as of 21:16, 5 November 2020
Herbs, perennial, scapose, glabrous, from rootstocks; rootstock vertical, 1–12 cm, fleshy, sometimes bulbose; principal roots contractile, arising from tops of rootstocks. Bulbs, when present, ovoid or elongate, scales lunate. Leaves 2–7, basal; blade flat to nearly terete, sometimes keeled. Inflorescences racemose or 1–3(–6)-branched, bracteate, flowers initially crowded, internodes elongating after anthesis. Flowers soon deciduous if unfertilized; tepals persistent, withering separately to base, distinct, yellow or white, each 3–7-veined, equal, 2–6 mm; stamens 6; filaments equal, shorter than tepals, 1–2 mm, inner 3 nectariferous at base; anthers introrse; ovary superior, globose, 3-lobed, 3-locular, placentation axile, ovules 2 per locule; style 1; stigma unlobed or slightly 3-lobed; pedicel 6–15(–30 mm). Fruits capsular, dehiscent, flattened or indented at top, prominently 3-lobed. Seeds glossy black, globose, flattened on 1 side, smooth. x = 12.
Distribution
se United States, including e Tex.
Discussion
Species 3 (3 in the flora).
Excluded species:
Schoenolirion texanum (scheele).a. gray and oxytria texana (scheele).pollard are names based upon ornithogalum texanum scheele, which is the same as camassia scilloides (rafinesque).cory, and does not belong to schoenolirion
Selected References
Key
| 1 | Leaves without fleshy bases, arising from tops of vertical rootstocks, withering to persistent fibers; inflorescences 1–3(–6)-branched; tepals white or greenish white. | Schoenolirion albiflorum |
| 1 | Leaves with fleshy bases, arising from bulbs at tops of vertical rootstocks, not withering to persistent fibers; inflorescences seldom branched; tepals white or yellow. | > 2 |
| 2 | Tepals yellow. | Schoenolirion croceum |
| 2 | Tepals white. | Schoenolirion wrightii |