Brassicaceae
Turritis

Turritis glabra L.

First published in Sp. Pl.: 666 (1753)
This species is accepted
The native range of this species is Temp. Northern Hemisphere to Tropical Mountains. It is a biennial or perennial and grows primarily in the temperate biome.

Descriptions

Cruciferae, Bengt Jonsell (University of Stockholm). Flora of Tropical East Africa. 1982

Morphology General Habit
Annual to biennial bluish green herb with an evanescent leaf-rosette, from which 1 (rarely more) flowering shoots arise.
Morphology Stem
Stems unbranched, rigid, erect, 40–150 cm. high, basally somewhat hairy, otherwise glabrous.
Morphology Leaves
Cauline leaves dense, sessile, acutely ovate, amplexicaul to sagittate, entire, glabrous, 2–6 cm. long, ± 1 cm. broad. Rosette leaves petioled, spathulate to obovate, rather acute, attenuate, entire to sinuate, moderately hairy; blade 2–8 cm. long, 1–2 cm. broad; petiole 0.5–2 cm. long.
Morphology Reproductive morphology Inflorescences
Racemes with numerous flowers, in fruit up to 50 cm. long, narrow and dense; pedicels erect, thin, 6–13 mm. long, with erect siliquae.
Morphology Reproductive morphology Flowers Calyx
Sepals yellowish green, oblong, obtuse, 2–4.5 mm. long.
Morphology Reproductive morphology Flowers Corolla
Petals dull white to pale yellow, narrowly spathulate with rounded apex, 4–7 mm. long.
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Anthers ± 1.5 mm. long, narrow.
Morphology Reproductive morphology Fruits
Siliqua linear, 40–70 mm. long, 0.8–1.2 mm. broad; style ± 1 mm. long, with expanded stigma.
Morphology Reproductive morphology Seeds
Seeds in 2 rows in each locule, reddish brown, flattened, ± semicircular in outline, 0.8–1.2 mm. long, 0.5–0.7 mm. broad, smooth.
Figures
Fig. 16.
Habitat
Clearings of upland rain-forest along roads and tracks, etc.; 920–2700 m.
Distribution
K3 K4 K6 T2 U2 widespread in north temperate areas
[FTEA]

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: not threatened. Confidence: confident
[AERP]

Common Names

English
Tower Mustard

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Flora of Tropical East Africa

    • Flora of Tropical East Africa
    • 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/

  • 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 Living Collection Database

    • Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/

  • 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

  • Kew Science Photographs

    • Copyright applied to individual images