Antiotrema dunnianum (Diels) Hand.-mazz.

Species

Angiosperms > Boraginales > Boraginaceae > Antiotrema

Characteristics

Stems 1 or 2, branched only at inflorescences, 10-30 cm tall, densely pubescent. Basal leaves spatulate to narrowly elliptic, 3-18 × 1-5 cm, densely minutely hispid, hairs discoid at base, apex obtuse to acute; stem leaves smaller, oblanceolate to narrowly obovate-oblong. Inflorescences terminal, branched, densely pubescent, many flowered. Pedicel 2-3 mm, slightly recurved. Calyx 3.5-4 mm; lobes linear-lanceo-late to triangular-lanceolate, apex acute, slightly enlarged. Corolla blue or purple-red, 4.5-7 mm, glabrous; appendages trapeziform, 1-1.4 mm, papillate along margin, apex obtuse; lobes of limb spreading, suborbicular, more than 2 × as long as tube, margin entire, veined. Filaments filiform; anthers ca. 0.8 mm. Ovary 4-parted, usually with 1-3 valves developing. Style filiform, 4-5 mm. Nutlets brown, slightly incurved, 2.2-2.5 mm, densely tuberculate, aperture occupying ± entire adaxial surface, outside layer with tuberclelike teeth, inside layer entire. Seeds narrowly ovoid, dorsiventrally com-pressed; radicle inferior. Fl. May-Jun, fr. Jul-Aug.
More
A herb. It keeps growing from year to year. It grows 9-30 cm high. It is hairy. The stems branch before flowering. The leaves near the base are spoon like. They are 4-18 cm long by 1-5 cm wide. The base is wedge shaped. There are flattened hairs on both surfaces. The leaves on the stems are narrowly oval and do not have leaf stalks. The flowers are small and blue. The end curls up. The fruit are made up of 4 small nuts. These are kidney shaped and 2 mm long.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant. It is native to southern China. It grows on grassy slopes in the mountains in Yunnan in China. It grows between 1,950-2,500 m altitude. In Sichuan.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

The root and leaves are eaten.
Uses medicinal
Edible leaves roots
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

Antiotrema dunnianum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:113414-1
WFO ID wfo-0000539041
COL ID F26W
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cynoglossum cavaleriei Henryettana mirabilis Cynoglossum dunnianum Antiotrema dunnianum