Onosma mertensioides I.M.Johnst.

Species

Angiosperms > Boraginales > Boraginaceae > Onosma

Characteristics

Herbs perennial, gray, 15-30 cm tall, hispid, reflexed-pilose. Stems single, erect, not branched. Basal leaves oblanceolate, 5-11 × 0.5-1.5 cm, abaxially densely appressed pubescent, adaxially appressed hispid, hairs discoid at base, base cuneate, apex acuminate; stem leaves oblong-lanceolate, 3-6 cm × 5-7 mm, base rounded or broadly cuneate, apex obtuse. Inflorescences terminal, solitary or dichotomously branched, racemose, 10-12 cm; bracts ovate-lanceolate, 3-7 mm, hispid, appressed pubescent. Pedicel 5-6 mm, elongated in fruit, stout, densely yellow hispid, white appressed pubescent. Calyx 7-8 mm, elongated in fruit, yellow hispid, parted nearly to base; lobes linear-lanceolate. Corolla blue-purple, changing to red late in season, tubular-campanulate, 1.2-1.6 cm, base ca. 2 mm wide, gradually expanded upward; throat 5-6 mm wide, densely short appressed pubescent outside, obscurely pubescent inside along veins; nectary ringlike, ca. 0.5 mm, lobed, pubescent; lobes triangular, ca. 1.5 mm, margin revolute. Filaments subulate, 4-5 mm, inserted ca. 5 mm above base of corolla tube; anthers united at base, 6-7 mm, included; apex sterile, ca. 1 mm. Nutlets gray, ca. 3 mm, shiny, sparsely papillate. Fl. and fr. Jul.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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 mertensioides world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:119731-1
WFO ID wfo-0001216082
COL ID 49LXG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Onosma mertensioides