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This species is accepted, and its native range is Yemen, Central Somalia to E. Tanzania.
A specimen from Kew's Herbarium

[FTEA]

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. Flora of Tropical East Africa. 2009

Type
Type: Zanzibar, without precise locality, Bojer s.n. (K!, lecto.)
Morphology General Habit
Aromatic, annual herb to 30 cm tall with one or few stems arising from a taproot
Morphology Stem
Stems quadrangular, erect, much branched, often woody at base, pubescent or villose with long and short antrorse or patent hairs, often longer at nodes, and short patent glandular hairs, becoming more glandular on the inflorescence axis, also sometimes with sessile glands
Morphology Leaves
Leaves petiolate; blade ovate, 1–4 × 0.4–2.5 cm, crenate, apex rounded or obtuse, base cuneate or broadly cuneate, pubescent or villose; petiole 3–20 mm long
Morphology Reproductive morphology Inflorescences
Inflorescence lax, with 4–6-flowered verticils 0.5–1 mm apart; pedicels ascending, slightly flattened, curved distally; bracts 1 mm long with long hairs on margin
Morphology Reproductive morphology Flowers Calyx
Calyx 2 mm long at anthesis, with long hairs at base and on veins and with sessile glands; fruiting calyx tubular-campanulate with throat open with a dense ring of villose hairs, 3–4 mm long; lateral lobes of calyx anterior lip deltate or lanceolate with the posterior margin extended towards the posterior lip; median lobes of anterior lip linear, longer than lateral teeth
Morphology Reproductive morphology Flowers Corolla
Corolla white, rarely pink, 3 mm long; tube 2 mm long, straight, parallel-sided dilating at throat; lobes 4, with the posterior lobe slightly wider
Morphology Reproductive morphology Fruits
Nutlets brown, small, narrowly ovoid with rounded apex, 1.5 mm long, producing a small amount of mucilage
Figures
Fig 33: 4, p 200
Ecology
Open grassy areas in coastal. and Acacia-Commiphora bushland or in Brachystegia woodland, on sandy soil, weed in cultivation; 0–350 m
Conservation
Least concern; widely distributed
Distribution
Range: Somalia Flora districts: K7 T3 T6 Z P

[FSOM]

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Annual or short-lived perennial herb, erect to decumbent, 0.05–0.4 m tall
Morphology Leaves
Leaves petiolate; blade broadly ovate or broadly elliptic, up to 7–25 × 5–20 mm, apex rounded, obtuse or subacute, base attenuate, margin crenate, often slightly revolute
Morphology Reproductive morphology Inflorescences
Cymes 2–3-flowered; pedicels 2–3 mm long, slightly flattened
Morphology Reproductive morphology Fruits Fruiting calyx
Fruiting calyx 3–4.5 mm long, open, villous in the throat; lateral lobes narrowly deltoid, slightly acuminate, shorter than the lower lobes
Morphology Reproductive morphology Flowers Corolla
Corolla 4-lobed, 3–4.5 mm long, white, pink or bluish; upper lobe slightly broader than the other lobes
Morphology Reproductive morphology Fruits
Nutlets 1.2–1.5 × 0.6–0.8 mm, brown, producing a small amount of mucilage when wet.
Distribution
C1; S2, 3; Kenya, Tanzania, Yemen
Ecology
Altitude range 0–220 m.

Native to:

Kenya, Somalia, Tanzania, Yemen

Endostemon gracilis (Benth.) M.R.Ashby appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1992 Kirk [s.n.], Tanzania K000347249
Jan 1, 1992 Bojer [s.n.], Tanzania K000347250

First published in J. Bot. 74: 127 (1936)

Accepted by

  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Paton, A.J., Bramley, G., Ryding, O., Polhill, R., Harvey, Y., Iwarsson, M., Willis, F., Phillipson, P., Balkwill, K., Lukhoba, C., Otiend, D & Harley (2009). Lamiaceae (Labiatae) Flora of Tropical East Africa: 1-430.
  • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.

Literature

Flora of Somalia

  • Flora Somalia, (2000) Author: by O. Ryding [updated by M. Thulin 2008]

Flora of Tropical East Africa

  • E.P.A.: 85 (1963)
  • Fl. Somalia 3: 343 (2006).
  • J.B. 74: 127 (1936)
  • K.B. 49: 701 (1994)

Flora of Somalia
Flora of Somalia
http://creativecommons.org/licenses/by-nc-sa/3.0

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 Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0