Trigonotis nandanensis Ching J.wang

Species

Angiosperms > Boraginales > Boraginaceae > Trigonotis

Characteristics

Herbs perennial. Rhizomes 3-4 cm, ca. 3 mm in diam., with numerous fibrous roots. Stems erect, 20-25 cm tall, densely spreading pubescent. Basal leaves numerous; petiole to 7 cm, densely pubescent; leaf blade ovate to oblong-ovate, 2-3.5 × 1-2.2 cm, abaxially more densely pubescent, adaxially sparsely pubescent, base rounded or somewhat cordate, apex rounded, mucronate; midvein raised abaxially; stem leaves widely spaced, petiole 1.5-3 cm. Inflorescences terminal, ca. 10 cm, only basal 1 or 2 flowers bracteate. Pedicel usually divaricate, filiform, 3-5 mm. Calyx lobes oblanceolate, ca. 2 mm, pubescent; apex acute. Corolla white; tube ca. 1.5 mm; limb 4-5 mm wide; lobes suborbicular, ca. 2 mm wide. Anthers elliptic, ca. 0.5 mm. Style longer than nutlets. Mature nutlets dark brown, semiglobose-tetrahedral, ca. 1.3 mm, sparsely spinescent-tuberculate, adaxial bottom surface smaller, 2 lateral surfaces subequal in size; abaxial surfaces convex, becoming ovate, obtuse ribbed at margin, sessile; attachment scar at juncture of 3 ribs adaxially.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.25
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) -

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 nandanensis world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:901176-1
WFO ID wfo-0001216149
COL ID 58TJF
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Trigonotis nandanensis