Carex hostiana

de Candolle

Cat. Pl. Hort. Monsp., 88. 1813.

Common names: Tawny sedge carex de Host
Illustrated
Synonyms: Carex fulvescens Mackenzie Carex hornschuchiana Hoppe Carex hostiana var. laurentiana (Fernald & Wiegand) Fernald & Wiegand
Treatment appears in FNA Volume 23. Treatment on page 524. Mentioned on page 521, 523.

Plants not cespitose. Culms straight, 25–60 cm. Leaves of flowering stems shorter than stem, to 13.5 cm × 1.5–3.1(–4.3) mm. Inflorescences: peduncles of staminate spikes 5–70 mm; bracts 90 × 0.7–2.2 mm; inner band of sheaths with brown, convex projection to 3.2 mm. Spikes: proximal pistillate spikes 1–3(–4), distant, erect or ascending, usually conspicuously pedunculate, ovoid to short-cylindric, proximal 10–20 × 5–9.5 mm; terminal staminate spikes 10–33 × 1.6–4.2 mm. Scales: pistillate scales dark brown, 2.1–3.9 × 1.4–2.4 mm, margins conspicuously white-hyaline; staminate scales with broad, white, hyaline margins. Anthers 2–3.6 mm. Perigynia ascending, yellowish, 3.1–5.5 × 1.2–2.1 mm, apex gradually narrowed into straight, serrulate beak; beak 0.7–1.6 mm. Achenes 1.5–2 × 1–1.5 mm.


Phenology: Fruiting Jul–Aug.
Habitat: Moist to wet, open fens and meadows, on lime-rich soils
Elevation: 0–500 m

Distribution

V23 979-distribution-map.jpg

St. Pierre and Miquelon, Nfld. and Labr., Que., Mass., Europe.

Discussion

Carex hostiana was last collected in Massachusetts prior to 1836.

Lower Taxa

None.
... more about "Carex hostiana"
William J. Crins +
de Candolle +
Tawny sedge +  and carex de Host +
St. Pierre and Miquelon +, Nfld. and Labr. +, Que. +, Mass. +  and Europe. +
0–500 m +
Moist to wet, open fens and meadows, on lime-rich soils +
Fruiting Jul–Aug. +
Cat. Pl. Hort. Monsp., +
crins1987a +
Illustrated +
Carex fulvescens +, Carex hornschuchiana +  and Carex hostiana var. laurentiana +
Carex hostiana +
Carex sect. Ceratocystis +
species +