Utricularia tortilis Welw. ex Oliv.

Species

Angiosperms > Lamiales > Lentibulariaceae > Utricularia

Characteristics

Inflorescence erect or usually twining, 5–40 cm. high; peduncle filiform, glabrous; flowers 1–6, usually distant; scales few, similar to the bracts; bracts basifixed, broadly ovate, more or less 2 mm. long; bracteoles linear-lanceolate, usually shorter than the bracts; pedicels erect or ascending, 2–15 mm. long, flattened or more or less narrowly winged, usually longer than the fruiting calyx.
More
Corolla usually violet with a dark blue, greenish, yellow or white spot in the throat, rarely wholly yellow or white, 5–10 mm. long; superior lip narrowly oblong; inferior lip circular; palate raised; spur subulate, usually curved, acute or rarely obtuse.
Traps numerous, globose, shortly stalked, glandular, 0.6–1.0 mm. long; mouth basal, with 2 dorsal simple subulate appendages.
Filaments linear; anther-thecae subdistinct; ovary ovoid; style indistinct; stigma-lips short, truncate, subequal.
Leaves few, usually decayed at anthesis, leaf-opposed on the stolons, linear, up to 2 cm. ×0.5–15 mm., 1–3 nerved.
Capsule narrowly ovoid, dehiscing by longitudinal ventral and dorsal slits, capsule-wall of uniform thickness.
Seeds numerous, globose, 0.3–0.35 mm. in diam.; testa thin, cells distinct, more or less isodiametric.
Calyx-lobes subequal, 3–6 mm. long, with apex of upper acute, of lower minutely bidentate.
Rhizoids and stolons capillary, numerous from the base of the peduncle.
Terrestrial herb.
Life form -
Growth form herb
Growth support climber
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.4
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
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

Utricularia tortilis world distribution map, present in Angola, Burundi, Benin, Central African Republic, Côte d'Ivoire, Congo, Ghana, Guinea, Guinea-Bissau, Equatorial Guinea, Kenya, Liberia, Mali, Namibia, Nigeria, Senegal, Sierra Leone, Chad, Togo, Tanzania, United Republic of, Uganda, Zambia, and Zimbabwe

Conservation status

Utricularia tortilis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:527156-1
WFO ID wfo-0000417246
COL ID 7F58Y
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Utricularia falcata Utricularia tortilis Utricularia gyrans Utricularia spiralis var. tortilis