Carex frankii Kunth

Frank's sedge (en)

Species

Angiosperms > Poales > Cyperaceae > Carex

Characteristics

Stems 2–8 dm, in small tufts on rather short rhizomes, aphyllopodic; lvs to 1 cm wide, the ligule shorter to somewhat longer than wide; terminal spike 0.5–3 cm, usually wholly staminate, rather short-peduncled, often concealed among the pistillate ones, or short-peduncled and exsert; pistillate spikes 3–6, usually approximate or crowded, sometimes separate or the lower remote, cylindric or elliptic, 1.5–3 × 1 cm, very dense, rounded at both ends, sessile or nearly so; bracts lf-like, 2–4 times as long as the infl at least the lower strongly sheathing; pistillate scales with concealed body and an exsert slender awn equaling or surpassing the perigynium-beaks; perigynia obconic, inflated, the body 2.2–3.6 mm, with 2 strong ribs and ca 10–18 fine sharp nerves, depressed-truncate above and very abruptly beaked, the beak 1.3–2.3 mm its teeth 0.5 mm; achene loosely enveloped, obovoid-trigonous, 1.5–2 mm, with a persistent straight style. Swamps and wet woods; Va. to w. N.Y., s. Ont., Mich., and se. Nebr., s. to Ga. and Tex
More
Plants cespitose, short-rhizomatous. Culms 18–80 cm. Leaves 2.5–11.5 mm wide, sparingly scabrous. Spikes 3–7(–9), erect; lateral spikes pistillate with few staminate flowers at base and rarely also at apex, narrowly elliptic, 12–50 × 7–13 mm; terminal spike usually staminate, sometimes gynecandrous, pistillate, or abortive, 6–45 × 2–6 mm. Pistillate scales narrow, with indistinct body, 3.6–9(–11) × 0.1–0.4 mm, apex with long, scabrous awn exceeding perigynium. Staminate scales loosely to irregularly imbricate with tips spreading, linear, 4.3–15 × 0.3–0.8 mm, apex with long, scabrous awn. Perigynia horizontal, 3.5–6 × 1.4–2.6 mm, minutely pustulate; beak 1.3–2.2 mm, smooth. Achenes obovoid, sides strongly concave, 1.4–2.1 × 1–1.4 mm, less than 2 times as long as wide; style deciduous, straight or sinuous.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.6
Root system rhizome
Rooting depth (meter) 0.2
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 2-3
Soil humidity 7-8
Soil texture -
Soil acidity 4-7
Soil nutriment -
Hardiness (USDA) 5-7

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Fruit

Carex frankii fruit picture by Straka Kelli (cc-by-sa)

Distribution

Carex frankii world distribution map, present in Åland Islands, Canada, Micronesia (Federated States of), Georgia, Nicaragua, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:299817-1
WFO ID wfo-0000346810
COL ID R9BD
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Carex stenolepis f. gracilior Carex frankii Carex shortii Carex stenolepis