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This species is accepted, and its native range is Tanzania to Zambia.
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. Tinnea, F. Willis. Flora of Tropical East Africa. 2009

Type
Lectotype, chosen by Robyns & Lebrun, loc. cit. (1930): Tanzania, Tabora District: Mhwala [Muhala], Stuhlmann 464 (B†, lecto., BR, drawing of the lectotype)
Morphology General Habit
Shrub or perennial herb, 0.8–2(–2.5) m tall
Morphology Stem
Stem sericeous, rarely pilose or hirsute with white to purple hairs and with colourless sessile glands
Morphology Leaves
Leaves linear to narrowly ovate, (1.3–)1.8–5(–6) × 0.2–2(–2.9) cm, entire, apex shortly acuminate to obtuse, often with a point and often recurved, base attenuate to rounded, villous to sparsely pilose beneath; petiole 1–7(–8) mm long
Morphology Reproductive morphology Inflorescences
Inflorescence 6–19(–25) cm long, distinct, with verticils 10–30 mm apart, with 2-flowered verticels or up to 3-flowered cymes in axils of lower bracts; lower bracts resembling leaves; upper bracts violet in colour, subulate, 1–9 mm long, 0.5 mm broad, distinctly shorter than the leaves; bracteoles 1–2(–3) mm long; pedicel in flower 5–15(–20) mm long and in fruit 8–23(–27) mm long, normally longer than bracts with a joint above the middle
Morphology Reproductive morphology Flowers Calyx
Flowering calyx green to brown or purple, most intensely coloured at base, glossy, 4–9 mm long, 3–6.5 mm broad, velutinous to sericeous with white to violet hairs; fruiting calyx yellowish green to brown, often purple towards the base, strongly coriaceous, 11–17(–20) mm long, 7–15 mm broad, splitting into two parts
Morphology Reproductive morphology Flowers Corolla
Corolla 14–21 mm long, anterior lip dark reddish brown to blackish purple, the tube lighter in colour, protruding part villous to densely pilose, never with stalked glands; tube 8–11 mm long; posterior lip 2–4 mm long; middle lobe of anterior lip 6–10 mm long and 8–10 mm broad
Morphology Reproductive morphology Fruits
Nutlets 5–8 mm long, velutinous to sparsely pubescent; wing 5–8 mm diameter.
Ecology
Brachystegia and mixed woodland and scrubland, rocky outcrops on sandy granite soils; 800–1850 m
Conservation
Probably not threatened
Note
Differs from T. zambesiaca Baker (from Zambia, Malawi, Mozambique, Zimbabwe) by the smaller calyx, pedicels always distinctly longer than the bracts, the smaller nutlets and denser indumentum on calyx and corolla.
Distribution
Range: Zambia Flora districts: T1 T4 T5 T6 T7

Native to:

Tanzania, Zambia

Tinnea gracilis Gürke appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Sep 27, 2006 Bodine [142], Tanzania K000194867
Feb 8, 2006 Mkeya [1056], Tanzania K000194202
Johnson, W. [s.n.], Tanzania K000193027 Unknown type material

First published in Bot. Jahrb. Syst. 22: 128 (1895)

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.
  • Paton, A.J., Bramley, G., Ryding, O., Polhill, R.M., Harvey, Y.B., Iwarsson, M., Otieno, D., Balkwill, K., Phillipson, P.B., Harley, R.M. & Willis, F. (2013). Flora Zambesiaca 8(8): 1-346. Royal Botanic Gardens, Kew.

Literature

Flora of Tropical East Africa

  • B.J.B.B. 8: 186 (1930)
  • Bot. Tidsskr. 70: 29, fig. 16 (1975).
  • E.J. 22: 128 (1895)
  • F.T.A. 5: 498 (1900)
  • T.T.C.L.: 261 (1949)

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