Calamagrostis purpurascens R.Br.

Purple reedgrass (en)

Species

Angiosperms > Poales > Poaceae > Calamagrostis

Characteristics

Densely tufted perennial 3–7 dm, often developing short, thick rhizomes; sheaths scaberulous; ligules 2–5 mm; blades thick, scabrous, 2–4 mm wide, usually involute; infl contracted, usually pinkish or purplish, 4–10 cm; spikelets rarely 2-fld; glumes acuminate, 5–9 mm, the lemma three-fourths as long; callus-hairs a fourth as long as the lemma; awn inserted near the base, 4.5–9 mm, longer than the lemma, geniculate near the middle, the terminal part 3–4 mm, the basal part twisted; rachilla-vestige densely villous with hairs 1 mm; 2n=28–84. Rocky slopes and well drained, sandy soil; Greenl. to Alas. and e. Asia, s. to Que., Colo., and Calif., entering our range only in se. Ont. and Cook Co., Minn.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.9
Root system fibrous-root rhizome
Rooting depth (meter) 0.8
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 5-7
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Calamagrostis purpurascens unspecified picture

Distribution

Calamagrostis purpurascens world distribution map, present in Canada, Colombia, Japan, Montenegro, Svalbard and Jan Mayen, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:394763-1
WFO ID wfo-0000857902
COL ID PCTM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Calamagrostis arundinacea f. purpurascens Arundo purpurascens Calamagrostis vaseyi Trisetum williamsii Calamagrostis purpurascens Deyeuxia purpurascens Calamagrostis arundinacea var. purpurascens Calamagrostis purpurascens var. macrantha Calamagrostis purpurascens var. parvigluma Calamagrostis purpurascens var. pumila Calamagrostis purpurascens var. vaseyi Calamagrostis sylvatica var. purpurascens Calamagrostis urelytra var. macrantha Calamagrostis urelytra var. parvigluma Calamagrostis urelytra var. pumila Deyeuxia purpurascens var. macrantha Calamagrostis purpurascens var. purpurascens Calamagrostis purpurascens var. typica

Lower taxons

Calamagrostis purpurascens subsp. purpurascens Calamagrostis purpurascens subsp. laricina