Strobilanthes forrestii Diels

Species

Angiosperms > Lamiales > Acanthaceae > Strobilanthes

Characteristics

Herbs to 30-75 cm tall, isophyllous. Stems 4-angled, thinly pilose with gland-tipped trichomes, glabrescent, basally woody. Leaves subsessile; leaf blade ovate to rarely ovate-oblong, 2-5 × 1.2-3 cm, both surfaces thinly pilose, adaxially with cystoliths, secondary veins ca. 4 on each side of midvein, base rounded, cordate, or rarely cuneate, margin crenate to subentire, apex acute to obtuse. Inflorescences terminal or very rarely also from apical leaf axils, spikes, 5-15 cm; rachis pilose with gland-tipped trichomes; bracts leaflike, pilose with gland-tipped trichomes; basal bracts ovate-elliptic, 1-3 × 1-2 cm, margin obscurely crenate; apical bracts lanceolate, 7-10 × ca. 3 mm, margin entire; bracteoles linear to narrowly oblong, 6-11 × ca. 1 mm, pilose with gland-tipped trichomes. Flowers 1-2.5 cm apart on rachis. Calyx 0.8-1.2 cm, 5-lobed almost to base; lobes linear with one ca. 2 mm longer than others, pilose with gland-tipped trichomes. Corolla blue to purple, 3.2-4 cm, curved, outside with a few trichomes, inside glabrous except for trichomes retaining style; tube basally cylindric and ca. 2 mm wide for ca. 5 mm then bent to ca. 90° and widened to ca. 1.5 cm at mouth; lobes ovate, ca. 6 × 7 mm, apex obtuse. Stamens 4, included; shorter filament pair ca. 2 mm; longer filament pair ca. 8 mm, shortly pubescent; anther thecae oblong, ca. 2 × 0.8 mm; pollen type 3. Ovary gland-tipped puberulent at tip; style ca. 2.8 cm. Capsule oblong, ca. 1.2 cm, apically gland-tipped pilose, 4-seeded. Seeds dark brown, ovate in outline, ca. 3 mm, pubescent; areola white, small. Fl. Jul-Aug.
Life form -
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.75
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

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

Strobilanthes forrestii world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:55692-1
WFO ID wfo-0001045690
COL ID 532TB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pteracanthus forrestii Strobilanthes panpienkaiensis Strobilanthes rotundifolia Strobilanthes forrestii