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Published In: Bulletin of the Torrey Botanical Club 32(7): 387. 1905. (Bull. Torrey Bot. Club) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

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

 

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1. Melica nitens (Scribn.) Nutt. ex Piper (three‑flowered melic grass, Ladd’s favorite)

Pl. 158 h–j; Map 640

Plants perennial, with short rhizomes, forming clumps. Flowering stems 50–150 cm long, glabrous. Leaf sheaths glabrous or sometimes roughened or hairy. Leaf blades 5–25 cm long, 3–10(–15) mm wide, flat at maturity, glabrous or sometimes roughened or hairy. Spikelets 8–15 mm long, pendant at maturity, oblong‑obovate in outline, usually somewhat flattened, disarticulating below the glumes, with (2)3 fertile florets with tips at different levels and a straight, terminal structure distinctly different in appearance from the fertile florets, this consisting of 2 reduced sterile florets rolled into a small, club‑shaped mass. Glumes 3‑ or 5‑nerved, bluntly pointed at the tip, glabrous or somewhat roughened, usually with broad, thin, papery margins. Lower glume 5–8 mm long, broadly elliptic‑obovate. Upper glume 7–9 mm long, ovate to obovate. Lemmas of fertile florets 7–11 mm long, narrowly to broadly ovate, rounded to bluntly pointed at the thin, papery tip, 5–9‑nerved, often with additional, fainter nerves near the base, awnless, glabrous or roughened along the nerves. Paleas shorter than the lemmas, usually hairy along the nerves. Stamens 3. Fruits 2.5–3.0 mm long, narrowly elliptic in outline, slightly flattened, with a shallow, longitudinal groove, yellow to greenish brown, shiny. 2n=36. April–July.

Scattered nearly throughout Missouri (eastern U.S. west to Minnesota, Nebraska, and Texas). Openings of dry upland forests, upland prairies, glades, and tops, ledges, and bases of bluffs; also roadsides and railroads, usually on limestone or dolomite substrates.

The closely related two‑flowered melic grass, M. mutica Walter, was excluded from the flora by Steyermark (1963), but it may be found in Missouri eventually. It is widespread in the southeastern United States and occurs in a number of Arkansas and Illinois counties along the Missouri border. This species differs from M. nitens in a number of spikelet characters, notably its oblong glumes of nearly equal length, the usually two fertile florets whose tips are at about the same level in the spikelet, and the club‑shaped mass of sterile lemmas bent to one side. Melica mutica also tends to have shorter stems and less‑branched panicles with fewer spikelets. It should be looked for in southern and eastern Missouri.

 


 

 
 
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