Pterodiscus speciosus Hook.

Species

Angiosperms > Lamiales > Pedaliaceae > Pterodiscus

Characteristics

Perennial herb, up to 200 mm high; basal organ a short woody stem, not distinctly swollen, arising from a subterranean, usually pyriform, tuber. Branches from stem annual and erect. Leaves linear to lorate, sinuate to pinnatilobed. Flowers: solitary, axillary, on short pedicels; corolla with tube cylindrical, 25-50 mm long, somewhat gibbous at base, limb 30-45 mm long, yellowish to purplish red, lobes with darker stripes leading to dark red throat; Oct.-May. Fruit ovate to rotund in lateral view, a separate beak not discernible, up to 35 mm x 41 mm, with 4 parchment-like wings, veins of wings indistinct.
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Perennial herb, up to 20 cm high; the basal organ a short woody stem arising from a subterranean usually pyriform tuber. Leaves lanceolate, up to 6 cm long and 1.5 cm broad, usually pinnatilobed and with 5 pairs of lateral veins. Flowers red-purple; tube cylindrical, 25-50 mm long, limb 30-45 mm in diam.; lobes with darker stripes leading to the dark red throat; anterior lobe enlarged. Fruit ovate to rotund in lateral view, normally c. 18 mm long and c. 16 mm broad, but sometimes up to 22 mm long; the wings c. 3 mm broad; a separate beak not discernable. Seeds one in each loculus.
Perennial herb, up to 200 mm tall. Basal organ a short woody stem, not distinctly swollen, arising from a subterranean usually pyriform tuber. Fruit ovate to rotund in lateral view, a separate beak not discernible. Flowers red-purple, lobes with darker stripes leading to dark red throat.
A herb. It grows 20 cm tall. It has a thick fleshy stem tuber. The leaves are simple and lobed. They are 6 cm long by 1.5 cm wide. The flowers can be purple to pink. The fruit have four wings.
Fruit ovate to rotund in lateral view, normally c. 18 mm. long and c. 16 mm. broad, but sometimes up to 22 mm. long; the wings c. 3 mm. broad; a separate beak not discernable.
Flowers red-purple; tube cylindrical, 25–50 mm. long, limb 30–45 mm. in diam.; lobes with darker stripes leading to the dark red throat; anterior lobe enlarged.
Perennial herb, up to 20 cm. high; the basal organ a short woody stem arising from a subterranean usually pyriform tuber.
Leaves lanceolate, up to 6 cm. long and 1.5 cm. broad, usually pinnatilobed and with 5 pairs of lateral veins.
Seeds one in each loculus.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant.
Light -
Soil humidity 1-3
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses medicinal
Edible roots tubers
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 -

Images

Pterodiscus speciosus unspecified picture

Distribution

Pterodiscus speciosus world distribution map, present in Botswana and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:675925-1
WFO ID wfo-0000482208
COL ID 4PWHJ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pterodiscus speciosus Harpagophytum pinnatifidum