Schoenoplectus pungens |
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chairmaker's clubrush, common three square |
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Habit | Herbaceous perennials from rhizomes, the culms triangular, 1.5-10 dm. tall, somewhat scattered. |
Leaves | Leaves several, all near the base, firm, usually elongate and channeled or folded and 1-2 mm. wide, or flat and 2-4 mm. wide. |
Flowers | : Inflorescence a compact cluster of 1-6 sessile spikelets, 7-20 mm. long, subtended by a green bract 2-15 cm. long, like a continuation of the stem; flowers subtended by thin, translucent scales, yellowish- or reddish-brown to blackish-purple, the mid-rib exerted as a short awn; perianth bristles 4-6, unequal; stamens usually 3; style bifid or trifid. |
Fruits | Achenes 2.2-3.3 mm. long, including the stylar beak, and 1.6-2.3 mm. wide. |
Schoenoplectus pungens |
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Flowering time | May-August |
Habitat | Marshes and wet, low ground; tolerent of alkali. |
Distribution | Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Atlantic Coast; Europe.
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Origin | Native |
Conservation status | Not of concern |
Sibling taxa | |
Web links |
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