WorldFloraDB - Eriochloa villosa

Characteristics

Annual. Culms erect or geniculately ascending, branching, 30–100 cm tall, nodes pubescent. Leaf sheaths loose, glabrous, pubescent or ciliate along one margin; leaf blades broadly linear, 5–25 × 0.5–1.5 cm, pubescent, margins firm, wavy, scaberulous, apex acute. Inflorescence axis 7–15 cm; racemes 4–8, 1.5–4 cm, erect or only slightly diverging; spikelets single, closely overlapping in 2 rows; axis and rachis densely pubescent, rachis margins and pedicels villous with spreading hairs. Spikelets ovate-elliptic, plump, thinly cartilaginous, dully shining, 4.5–5(–6) mm, acute, basal swelling ca. 0.5 mm; free portion of lower glume a ca. 0.2 mm truncate frill; upper glume and lower lemma 5–7-veined, puberulous, lower palea absent; upper lemma weakly rugulose, subacute. Fl. and fr. Jul–Oct. 2n = 54.

More

Rather coarse, leafy-stemmed annual to 1 m, erect from a decumbent base; lvs flat, 6–15 mm wide, inconspicuously puberulent; racemes several, appressed-erect, 2–5 cm, overlapping, the rachis densely spreading-villous, the short pedicels beset with longer hairs 1.5–3 mm; spikelets borne singly at the nodes of the infl-branches, or paired only at the base, 4.5–5 mm, the second glume and sterile lemma about equal, pointed but scarcely acuminate; fertile lemma obscurely mucronulate or muticous; 2n=54. Native of e. Asia, intr. and becoming established in Ill., Io., Nebr., and Kans.

Life form

Growth form

herb

Growth support

free-standing

Foliage retention

-

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

0.45 - 0.95

Root system

fibrous-root

Rooting depth (meter)

1.5

Root diameter (meter)

-

Flower color

-

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Nitrogen fixer

-

Photosynthetic pathway

c4

Environment

Light
Soil humidity
Soil texture	-
Soil acidity
Soil nutriment
Hardiness (USDA)

Usage

Uses	environmental use fodder medicinal
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°)	20 - 30
Size	-
Vigor	-
Productivity	-

Distribution

Identifiers

LSID	urn:lsid:ipni.org:names:402069-1
WFO ID	wfo-0000869153
COL ID	3B3Q8
BDTFX ID	24981
INPN ID	96838
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Eriochloa villosa Helopus villosus Paspalum distichum Paspalum villosum Eriochloa villosa f. depauperata Panicum tuberculiflorum Eriochloa villosa var. stenantha

WorldFloraDB 2024

Eriochloa villosa Kunth

Hairy cupgrass (en), Ériochloé velu (fr), Ériochloa velu (fr), Paspale velu (fr)

Species