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Thunbergia dregeana C.Presl

Species

Angiosperms > Lamiales > Acanthaceae > Thunbergia

Characteristics

Herbaceous, pubescent, creeper. Leaves petiolate, petioles (2-)15-60 mm long, blade ovate, 13-53(-70) x 14-50(-70) mm, apex acute; base cordate, margin toothed. Flower bracts caducous; 13-19 x 8-20 mm. Calyx covered with short stipitate glands; lobes 3.5-6 mm long, sometimes branched at the apex. Corolla with inner and outer surface of lobes and outer surface of tube dull orange yellow, inner surface of tube dull yellow, lobes 13-25 x 13-27 mm, tube 16-26 mm long and 2.6-6 mm in diameter. Filaments 4-5.7 mm long; anther thecae 3.6-4.6 mm long. Style 10-13 mm long. Fruit 15-24 mm long, base 7-10 mm in diameter; stalk (19-)39-70(-100) mm long. Seed greyish brown; trichomes adhere to form ridges on surface; 4-6 mm in diameter.
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A herb. It has straggling slender stems. It has some soft hairs. The leaf stalks are 1-3 cm long. The leaf blade in triangle shaped. The base is heart shaped. The leaves can be 5 cm long and 5 cm wide. The flowers occur singly in the axils of leaves. They have a tube 2 cm long and widen to 3 cm across. The fruit is hard and round. It is 7 mm across. It splits in half and has hard tapering beaks.
Perennial herb or creeper, 0.4-1.0 m high. Leaves ovate, sparsely pubescent. Corolla with inner and outer surface of tube dull orange-yellow; lobes 13-25 x 13-27 mm. Flowering time Nov.-Feb.
Glabrescent vine. Leaves broadly sagittate, obscurely toothed. Flowers solitary in axils on glabrescent pedicels, dull orange-yellow.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

Uses medicinal
Edible leaves
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 14 - 21
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Thunbergia dregeana unspecified picture

Distribution

Thunbergia dregeana world distribution map, present in Mozambique, eSwatini, South Africa, and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:56253-1
WFO ID wfo-0001044558
COL ID 56NXK
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thunbergia woodii Thunbergia dregeana Thunbergia monroi
WorldFloraDB 2024