Crassulaceae
Sedum

Sedum meyeri-johannis Engl.

First published in Abh. Königl. Akad. Wiss. Berlin 1891(2): 229 (1892)
This species is accepted
The native range of this species is E. Central & E. Tropical Africa. It is a succulent epiphyte and grows primarily in the montane tropical biome.

Descriptions

Crassulaceae, G.E. Wickens. Flora of Tropical East Africa. 1987

Morphology General Habit
Slender decumbent perennial herb, with long trailing branched square or slightly winged stems up to 1 m. long, often rooting at the nodes to just below the inflorescence.
Morphology Leaves
Leaves sessile, mostly alternate at the base, ternate above; lamina fleshy, flat, oblong-spathulate to oblong-lanceolate, up to 2(–2.5 fide Raym.-Hamet (1957)) cm. long, 0.8 cm. broad, apex obtuse, base shortly spurred, margins entire.
Morphology Reproductive morphology Inflorescences
Inflorescence a corymbose-cyme; bracts obovate-spathulate to linear-lanceolate, 5–5.5 mm. long, 1.5–2.5 mm. broad, spurred; pedicels 2–6(–18) mm. long.
Morphology Reproductive morphology Flowers
Flowers 5-merous.
Morphology Reproductive morphology Flowers Calyx
Sepals oblong-ovate to oblong-lanceolate, 2.5–5 mm. long, 1–2 mm. broad, obtuse, connate at the base for 0.5 mm. and spurred.
Morphology Reproductive morphology Flowers Corolla
Petals lanceolate to oblong, 4.5–7 mm. long, 2–2.4 mm. broad, mucronate, connate at the base for 0.4–0.7 mm., yellow.
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 10; antisepalous filaments 3–3.5 mm. long; antipetalous filaments free 0.5–1 mm. from above the base of the petal, 2–3 mm. long; anthers ovate-reniform, ± 0.7 mm. long.
Morphology Reproductive morphology Flowers Nectaries
Nectary scales linear-spathulate, ± 0.8 mm. long, 0.2 mm. broad, slightly retuse.
Morphology Reproductive morphology Flowers Gynoecium Carpels
Carpels subdivergent, united at the base for 1.5–2 mm., 2.5–3.5 mm. long; style recurved, ± 1 mm. long.
Morphology Reproductive morphology Seeds
Seeds numerous, narrowly oblong-ovoid, 1–1.2 mm. long, 0.2 mm. broad, finely mamillate.
Habitat
Epiphyte in upland forest, 1800–2400 m., but in Tanzania may also occur as a terrestrial herb on moist rocky ground in montane heath; 3200–4350 m.
Distribution
K1 K2 K3 K4 K6 T2 U3
[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]

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

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • 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 2025. 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 2025. 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