Drosera petiolaris R.Br. ex Dc.

Species

Angiosperms > Caryophyllales > Droseraceae > Drosera

Characteristics

Rosulate. Leaves appressed to the soil. Petiole narrow-lanceolate, sometimes subterete, sericeous, narrowed towards both ends, constricted below the blade, 1.5-2.5(-5) cm; blade orbicular, 2-2.5 mm, margin with capitate fimbriae. Stipules not prominent, scarious, unnerved, narrow, entire or split into subulate segments, 8-10 by ¾-1 mm. Inflorescences densely hairy, peduncle glabrescent. Peduncles 1-2, ascending, 5-12(-30) cm, pedicels short, recurved after anthesis, 10-35-flowered. Sepals obovate to subspathulate, inside glabrous, 2.5-4 by 1.25-1 mm. Petals pink to purple, broad-ovate, 7 by 5-5.5mm. Stamens 2.5-3 mm long; filaments terete. Styles 3, base forked, apex of each arm with short, repeatedly forked clavate segments. Seeds ellipsoid, shortly mamillate.
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Herb with fibrous roots. Stem very short, the old leaves persistent. Leaves many in a convex basal rosette; lamina orbicular, concave, 2–5 mm diam., on flattened petiole 15–50 mm long, the margins silky-woolly; stipules narrowly lanceolate, subulate, 8–10 mm long, entire or bifid. Scapes 1–2, to 12 cm long, hirsute to woolly, 10–35– flowered. Sepals obovate-spathulate, 2.5–4 mm long, woolly outside. Petals broadly obovate, 7 mm long, pale to deep pink. Styles 3, each deeply bipartite, in the upper half dichotomously divided into short, broad lobes, the stigmas subclavate. Seeds ellipsoidal, mamillate.
NB Caution information unclear.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Periodically wet savannah areas under periodically dry climatic conditions at low altitude
More
It is a tropical plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 12 - 18
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Drosera petiolaris unspecified picture

Distribution

Drosera petiolaris world distribution map, present in Australia, Malaysia, and Papua New Guinea

Conservation status

Drosera petiolaris threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:321931-1
WFO ID wfo-0000946120
COL ID 37QV2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Drosera fulva Drosera petiolaris Drosera petiolaris var. conferta