WorldFloraDB - Asperula arvensis

Characteristics

Erect annual 1–5 dm, the angled stems retrorsely scabrous at least below; lvs in whorls of 4–8, 1–3 cm, the upper linear to lanceolate, blunt; fls subsessile in a terminal head subtended by an involucre of separate hairy lvs; cor blue-purple, 5–6.5 mm, salverform, the slender tube much longer than the lobes; fr smooth, 2–3 mm thick; 2n=22. Fields and waste places; native of Europe, adventive in s. N.Y. May, June.

Life form

annual

Growth form

herb

Growth support

free-standing

Foliage retention

deciduous

Sexuality

hermaphrodite

Pollination

entomogamy

Spread

barochory

Mature width (meter)

-

Mature height (meter)

0.2 - 0.4

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

Blooming months

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

Fruit color

-

Fruiting months

-

Nitrogen fixer

-

Photosynthetic pathway

c3

Environment

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

Usage

Uses	medicinal
Edible	-
Therapeutic use	Astringent (unspecified), Quinsy (unspecified)
Human toxicity	-
Animal toxicity	-

Cultivation

Mode	-
Germination duration (days)	30 - 42
Germination temperacture (C°)	10
Germination luminosity	light
Germination treatment	stratification
Minimum temperature (C°)	-
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-