Onosma yajiangense W.T.Wang

Species

Angiosperms > Boraginales > Boraginaceae > Onosma

Characteristics

Herbs perennial, gray-white, ca. 30 cm tall, appressed hispid, pubescent. Stems frequently cespitose, not branched. Basal leaves long petiolate, narrowly oblanceolate, 1.4-1.8 cm × 4-10 mm, abaxially densely strigose and hispid along veins, adaxially hispid and strigose, base attenuate, apex obtuse; upper and middle stem leaves sessile, lanceolate, 3-6 cm × 5-10 mm, 3-veined. Inflorescences terminal and axillary, in panicles 4-8 × 8-12 cm; bracts lanceolate, 3.5-6 mm. Pedicel slender, 5-7 mm, densely hispid, strigose. Calyx 7-9 mm, densely hispid, strigose, parted nearly to base; lobes lanceolate. Corolla tubular-campanulate, ca. 1 cm, 1-1.5 mm wide at base; throat 4-5.5 mm wide, densely yellow strigose outside, only lobe midvein white pubescent inside; nectary ca. 0.5 mm, white villous; lobes broadly triangular, ca. 1.5 × 2 mm, margin revolute, apex caudate. Filaments ca. 5.5 mm, decurrent part pubescent, inserted 3.5-4 mm above base in corolla tube; anthers laterally united, ca. 7.5 mm, almost completely exserted. Style ca. 1.2 cm, exserted, glabrous. Nutlets unknown. Fl. Jul.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3
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 -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 60
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Onosma yajiangense world distribution map, present in China

Identifiers

LSID -
WFO ID wfo-0001216105
COL ID -
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Onosma yajiangense