Euphrasia amurensis Freyn

Species

Angiosperms > Lamiales > Orobanchaceae > Euphrasia

Characteristics

Annuals, 10-40 cm tall, stout, hirsute with both capitate glandular and eglandular hairs, stalks of glandular hairs 2-4 loculed. Stems often stout, usually branched at middle and apically. Leaves oblong to ovate, base cuneate to broadly cuneate, sometimes attenuate into a short petiole, margin with 3-6 obtuse, acute, or acuminate teeth on each side. Spikes with numerous flowers; bracts leaflike, conspicuously larger than leaves. Calyx tubular-campanulate, 3-4 mm; lobes subulate. Corolla often white, galea sometimes pale purple, upper side 0.8-1.2 cm; lower lip conspicuously longer than galea; galea apex conspicuously notched. Capsule oblong, ca. 4 mm, emarginate. Fl. Jun-Aug.
Life form annual
Growth form herb
Growth support parasite
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.4
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

Uses essential oil 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°) -
Size -
Vigor -
Productivity -

Distribution

Euphrasia amurensis world distribution map, present in China

Identifiers

LSID -
WFO ID wfo-0001138618
COL ID 3CRR7
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Euphrasia amurensis