Difference between revisions of "Nothoscordum"
Enum. Pl. 4: 457. 1843.
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Revision as of 19:32, 24 September 2019
Herbs, perennial, scapose, from bulbs. Bulbs in general appearance very similar to some species of Allium, without alliaceous odor; outer coats membranous. Leaves usually present at flowering time, basal, imbricate, sheathing basally; blade filiform to linear. Inflorescences umbellate, subtended by spathe bracts; bracts 2, membranous. Flowers fastigiate, withering-persistent; tepals 6, 2-whorled, connate proximal 1/3, 1-veined, subequal; stamens 6, adnate to tepal bases, included; filaments distinct, ± dilated basally, subulate and entire apically; anthers dorsifixed, oblong, introse; ovary superior, sessile, 3-locular; ovules several(–12); style filiform; stigma terminal, small. Fruits capsular, 3-lobed, membranous, dehiscence loculicidal. Seeds black, angled [compressed or almost flat].
Distribution
North America, South America.
Discussion
Species ca. 19 (2 in the flora).
All species of Nothoscordum are native to the Americas. Nothoscordum gracile has become naturalized in Europe, Africa, Asia, and Australia; it spreads rapidly by seeds and bulblets.
Selected References
None.
Lower Taxa
Key
| 1 | Leaves 4–12 mm wide; flowers fragrant; tepals connate to 1/3 their length. | Nothoscordum gracile |
| 1 | Leaves 1–4(–5) mm wide; flowers not fragrant; tepals distinct or nearly so. | Nothoscordum bivalve |