Lamiaceae
Stachys
Stachys argillicola

Stachys argillicola subsp. barbisina Sebsebe

First published in Kew Bull. 48: 334 (1993)
This subspecies is accepted
The native range of this subspecies is SE. Ethiopia to Tanzania. It is a perennial and grows primarily in the seasonally dry tropical biome.

Descriptions

Lamiaceae (Labiatae), A.J. Paton, G. Bramley, O. Ryding, R.M. Polhill, Y.B. Harvey, M. Iwarsson, F. Willis, P.B. Phillipson, K. Balkwill, C.W. Lukhoba, D.F. Otieno, & R.M. Harley. Stachys, Y.B. Harvey. Flora of Tropical East Africa. 2009

Type
Type: Kenya, Masai District: near Nairobi National Park, on road from Magadi road to Masai Lodge, Faden & Ngweno 74/547 (K!, holo. PRE!, iso.)
Morphology General Habit
Aromatic perennial 0.2–0.5(–1.2) m tall
Morphology Stem
Stems with dense covering of dendroid hairs
Morphology Leaves
Leaves sessile; blade oblong to ovate, 1.6–8.5 × 0.5–3.3 cm, base cuneate-rounded (to truncate), indumentum of dendroid and/or stellate hairs
Morphology Reproductive morphology Inflorescences
Inflorescence of 6–8-flowered verticils 5–50 mm apart; bracteoles absent; pedicels 0.5–2 mm long
Morphology Reproductive morphology Flowers Calyx
Calyx with long, simple hairs between the teeth; teeth 2–3 mm long
Morphology Reproductive morphology Flowers Corolla
Corolla mauve to pink, fading to white or yellow
Morphology Reproductive morphology Fruits
Nutlets dark brown, broadly ovoid, 2 mm long
Figures
Fig 10: 4-7, p 51
Ecology
Grasslands on heavy black soil or on a chocolate red soil of volcanic derivation; 1500–2550 m
Conservation
Least concern; widely distributed
Note
Stachys argillicola subsp. barbisina is similar to S. kulalensis Sebsebe in having long, simple hairs between the calyx teeth. However, Stachys argillicola subsp. barbisina does not occur in northern Kenya. Stachys argillicola subsp. barbisina has ± sessile, ± oblong leaves, with dendroid and/or stellate hairs on the upper surface, as opposed to S. kulalensis which has petiolate (petioles 2–17 mm long), ovate leaves with biramous and/or simple jointed hairs on the upper surface. This includes material formerly attributed to S. hildebrandtii Vatke, which is now considered endemic to northern Somalia, see Sebsebe in K.B. 48: 333 (1993).
Distribution
Range: Southern Ethiopia Flora districts: U1 K3 K4 K6 T2
[FTEA]

Sources

  • 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 2026. 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 2026. 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