Trigonotis heliotropifolia Hand.-mazz.

Species

Angiosperms > Boraginales > Boraginaceae > Trigonotis

Characteristics

Herbs perennial, densely strigose. Rhizome crowns covered by persistent petioles. Stems erect to ascending, not branched or branched above, 20-50 cm tall. Basal leaves and lower stem leaves withered at anthesis; petiole 3-20 mm; stem leaves ovate to elliptic, 2-6 × 1-3 cm, abaxially sparsely short strigose, adaxially densely strigose, with sunken veins, base rounded, apex acute; lateral veins 4-7 pairs, 2 or 3 originating from base. Inflorescences terminal, to 10 cm, ebracteate or with 1-3 leaflike bracts below. Pedicel subdivaricate in fruit, 3-5 mm. Calyx funnelform, parted to middle; lobes lanceolate, ca. 3 mm, apex acuminate. Corolla blue; tube ca. 2 mm; throat appendages ca. 1 mm, short hairy, apex retuse; limb 5-7 mm wide; lobes horizontal, obovate, ca. 2 mm, appressed puberulent outside. Stamens reaching corolla throat; anthers elliptic, ca. 0.5 mm, apex obtuse. Mature nutlets dark brown, semiglobose-tetrahedral, dorsiventrally compressed, ca. 1 mm, glabrous, smooth, shiny, adaxial lateral surfaces subequal in size, longitudinally ribbed at juncture, abaxial surfaces extremely convex, narrowly ribbed at margin, apex acute; stipe present.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.5
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-10

Usage

Uses -
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

Trigonotis heliotropifolia world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:121333-1
WFO ID wfo-0001216150
COL ID 58THP
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Trigonotis heliotropifolia Trigonotis chuxiongensis