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Published In: Bulletin of the Torrey Botanical Club 37(5): 241–244. 1910. (Bull. Torrey Bot. Club) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 9/1/2009)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native

 

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105. Carex bushii Mack.

Pl. 59 f–i; Map 221

Vegetative stems short. Flowering stems 30–90 cm long, erect or nearly so, sparsely hairy, more or less reddish tinged at the base. Leaves shorter than to longer than the stems. Leaf blades 2–30 cm long, 1.5–4.0 mm wide, hairy on both surfaces or sometimes sparsely hairy to nearly glabrous except at the base, flat, green. Leaf sheaths densely hairy, green, often somewhat reddish tinged at the tip, the ligule about as long as wide and U-shaped. Terminal spike 12–22 mm long, 4.5–11.0 mm wide. Lateral spikes usually densely clustered near the tip of the axis, 5–16 mm long, 4.5–11.0 mm wide, sessile or nearly so, erect to ascending, with 15–40 dense perigynia. Staminate scales 3.2–5.2 mm long, lanceolate, tapered to a usually awned tip, light brown with a green midrib and lighter margins, often somewhat reddish tinged. Pistillate scales 3–6 mm long, longer than the perigynia, lanceolate, the tip tapered to a spreading awn 0.5–2.0 mm long, reddish brown with a green midrib and lighter margins, usually sparsely hairy. Perigynia 2.4–3.5 mm long, spreading, obovate in outline, bluntly trigonous to nearly circular in cross-section and somewhat inflated, narrowed to a beakless tip, narrowed to a thick, short, stalklike base, the surface with 9–13 strong nerves, minutely pebbled, olive green. Fruits 2.0–2.6 mm long, obovate in outline, the very short beak bent to the side. 2n=64. May–July.

Common nearly throughout Missouri, but apparently absent from the northwestern corner of the state and the Mississippi Lowlands Division (eastern U.S. from Massachusetts to Georgia west to Wisconsin and Texas). Bottomland prairies, upland prairies, openings of mesic and dry upland forests, and margins of ponds; also ditches, railroads, roadsides, old fields, pastures, and disturbed, open ground.

 


 

 
 
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