Lentibulariaceae
Utricularia

Utricularia bracteata R.D.Good

First published in J. Bot. 62: 161 (1924)
This species is accepted
The native range of this species is S. DR Congo to Angola. It is a perennial and grows primarily in the seasonally dry tropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/185464/8416824

Conservation
NT - near threatened
[IUCN]

Lentibulariaceae, P. Taylor. Flora Zambesiaca 8:3. 1988

Morphology General Habit
Terrestrial herb.
Morphology General Rhizoids and Stolons
Rhizoids and stolons numerous from the base of the peduncle.
Morphology Leaves
Leaves numerous, scattered on the stolons, linear-spathulate, up to 20 × 1 mm., 1-nerved.
Morphology General Traps
Traps dimorphic, shortly stalked, ovoid, those on the stolons c. 1.5 mm. long, those on the stolon branches c. 0.5 mm. long; mouth terminal, fringed with radiating rows of glandular hairs, the larger traps with a long carinate dorsal beak which is reduced, in the smaller traps, to a short deltoid tooth.
Morphology Reproductive morphology Inflorescences
Inflorescence erect, up to 30 cm. high; peduncle filiform, glabrous; flowers 2–5, congested; scales few, similar to the bracts; bracts medifixed, lanceolate, up to 6 mm. long; bracteoles basifixed, oblong, 2–3 mm. long; pedicels filiform, erect, 1–3 mm. long.
Morphology Reproductive morphology Flowers Calyx
Calyx lobes subequal c. 5 mm. long; superior lobe circular with apex rounded; inferior lobe broadly obovate with apex emarginate.
Morphology Reproductive morphology Flowers Corolla
Corolla yellow, 10–13 mm. long; superior lip oblong with apex truncate or emarginate, about twice as long as the superior calyx lobe; inferior lip circular; palate slightly raised; spur conical, slightly longer than the inferior lip.
Morphology Reproductive morphology Flowers Androecium Stamens
Filaments linear; anther thecae subdistinct.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary ovoid, style indistinct, inferior lip of stigma circular, the superior much smaller, deltoid.
Morphology Reproductive morphology Fruits
Capsule globose, c. 3 mm. long, dehiscing by a single longitudinal ventral slit.
Morphology Reproductive morphology Seeds
Seeds numerous, ovoid, c. 0.35 mm. long, verrucose; testa cells distinct, elongate with sinuate margins.
[FZ]

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: threatened. Confidence: low confidence
[AERP]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • Flora Zambesiaca

    • Flora Zambesiaca
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Kew Backbone Distributions

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0

  • Kew Names and Taxonomic Backbone

    • The International Plant Names Index and World Checklist of Vascular Plants 2024. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0