Trigonotis tenera I.M.Johnst.

Species

Angiosperms > Boraginales > Boraginaceae > Trigonotis

Characteristics

Herbs perennial, densely cespitose, with short thick caudex and withered petioles. Stems numerous, cespitose, prostrate to ascending, 10-16 cm tall, sparsely strigose. Basal leaves numerous; petiole 0.3-1.8 cm, base expanded becoming sheathy, ciliate; leaf blade cordate to orbicular-ovate, 0.5-3 × 0.5-1.5 cm, finely strigose, base cordate, rarely rounded, apex acute; upper and middle stem leaves few, with smaller blade and petiole 4-5 mm. Inflorescences terminal, 5-9 cm; bracts basal, 2 or 3, leaflike. Pedicel filiform, 0.8-2 cm. Calyx lobes lanceolate, 0.5-2 mm at anthesis, slightly enlarged in fruit, apex acute. Corolla blue; tube ca. 1.5 mm; throat appendages ca. 0.5 mm; limb ca. 3 mm wide; lobes divaricate, suborbicular, ca. 1.5 mm. Stamens inserted on middle of corolla tube; anthers oblong, ca. 0.5 mm. Nutlets dark brown, oblique subulate, trigonous-tetrahedral, vertical, 1-3 mm, sparsely pubescent, adaxial 3 surfaces slightly convex, bottom surface smaller than 2 subequal lateral surfaces, longitudinally ribbed at juncture of lateral surfaces; abaxial surfaces convex or somewhat flat, ovate, acutely 3-ribbed, apex acute; stipe ca. 0.3 mm, straight to ± curved. Fl. Aug.
Life form perennial
Growth form herb
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Sexuality hermaphrodite
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Mature height (meter) 0.1 - 0.16
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Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

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Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
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Cultivation

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Distribution

Trigonotis tenera world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:121370-1
WFO ID wfo-0001216177
COL ID 58TK6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Trigonotis tenera