Trigonotis compressa I.M.Johnst.

Species

Angiosperms > Boraginales > Boraginaceae > Trigonotis

Characteristics

Herbs perennial. Rhizomes ascending, dark brown; roots numerous, fibrous; crown covered by persistent petioles. Stems erect, 20-35 cm tall, sparsely strigose. Basal leaves withered at anthesis; petiole 0.5-5 cm; stem leaves lanceolate, 3-8 × 1.5-3 cm, abaxially densely strigose, slightly purplish, base cuneate to rounded, apex acuminate. Inflorescences solitary or paired, basal; peduncle 1-4 cm; middle and lower parts with leaflike bracts. Pedicel obliquely spreading, 3-8 mm in fruit. Calyx 5-parted; lobes lanceolate, ca. 1 mm, slightly enlarged, to 2 mm, strigose. Corolla light red; tube ca. 1.5 mm, ca. 2 mm wide; throat appendages ca. 0.4 mm, apex retuse; limb 3.5-4 mm wide; lobes obovate. Anthers elliptic, ca. 0.5 mm. Nutlets gray-brown, semiglobose-tetrahedral, ca. 1.3 mm, tuberculate, adaxial bottom surface smaller than 2 lateral surfaces, abaxial surfaces ovate and convex, narrowly ribbed around margin, apex rounded and obtuse; stipe ca. 0.2 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.35
Root system fibrous-root 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 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

Trigonotis compressa world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:121318-1
WFO ID wfo-0001216141
COL ID 58TH4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Trigonotis compressa