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This genus is accepted, and its native range is Tropical & S. Africa.
Tinnea aethiopica Kotschy published illustration from Curtis's Botanical Magazine

[FSOM]

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

Distribution
Genus with 19 species, endemic to Africa, but sometimes cultivated elsewhere.
Morphology General Habit
Perennial herbs or shrubs, with simple hairs
Morphology Leaves
Leaves opposite or ternate
Morphology Reproductive morphology Inflorescences
Inflorescences raceme- or thyrse-like, lax; bracts similar to the leaves or sometimes distinctly smaller than the leaves; pedicels with a joint and 2 small bracteoles
Morphology Reproductive morphology Flowers Calyx
Calyx 2-lipped, becoming much enlarged, ovoid, inflated, closed after the anthesis and mostly splitting into 2 similar parts in the fruiting stage, the persistent ventral part spoon-shaped; lips entire, rounded
Morphology Reproductive morphology Flowers Corolla
Corolla 2-lipped; upper lip short and broad, 2-lobed, almost flat; lower lip much larger than the upper lip, 3-lobed with the midlobe larger and usually emarginate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens directed to the dorsal side of the corolla-tube, with a tuft of hairs at the base
Morphology Reproductive morphology Flowers Gynoecium Style
Lower style-branch longer
Morphology Reproductive morphology Fruits
Nutlets obovoid-clavate, with a broad wing of stiff hairy rays; scar covering 1/3 to 1/2 of the proximal side.

[LKGF]

Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

Morphology General Habit
Shrubs, subshrubs, and perennial herbs
Morphology Leaves
Leaves opposite, alternate or whorled, usually entire or few-toothed
Morphology Reproductive morphology Inflorescences
Inflorescence of cymes sometimes reduced to solitary flowers or merging to form a terminal thyrse or raceme
Morphology Reproductive morphology Inflorescences Bracts
Bracts present, reduced or not
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles present
Morphology Reproductive morphology Flowers Calyx
Calyx 2-lipped, inflated-accrescent, lips entire, rounded, becoming appressed at maturity and enclosing nutlets, eventually dehiscent or not
Morphology Reproductive morphology Flowers Corolla
Corolla reddish brown, orange, yellow, or violet, bilabiate (2/3), tube straight or upcurved, anterior lip 2-3x the posterior, median lobe much larger than others, usually strongly recurved laterally
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens usually slightly exserted, filaments apically geniculate and often swollen, basally bearded and sometimes prolonged downward as appendage, anterior anthers larger than posterior, thecae parallel to divaricate, anther slit usually minutely ciliate
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary-lobes separate both above and below the style attachment (1/4 - 1/2 way to base of ovary)
Morphology Reproductive morphology Flowers Disc
Disc well developed, symmetrical
Morphology Reproductive morphology Fruits
Nutlets dry, clavate, pubescent or glabrous, the dorsal side bearing long, hairlike structures, usually plumose and coalescent to form a peltate wing-like flying device, attachment-scar lateral, 0.25-0.5x nutlet
Morphology Reproductive morphology Seeds Endosperm
Endosperm present or absent
Morphology Reproductive morphology Seeds Embryo
Embryo spatulate.
Note
2n = 32.  Nineteen species Vollesen (1975) distinguished subgenus Tinnea, with dehiscent fruiting calyx and winged nutlets (the wings composed of coalescent, plumose, hair-like outgrowths), from subgenus Membranacea (Robyns & Lebrun) Vollesen, with indehi
Distribution
Tropical and southern Africa
Ecology
Mainly in fire-prone grassland, woodland, and scrub

[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

Morphology General Habit
Shrubs or perennial herbs, rarely woody climbers, not reported to be aromatic
Morphology Branches
Older branches quadrangular to terete
Morphology Leaves
Leaves opposite, occasionally ternate or subopposite, normally entire
Morphology Reproductive morphology Inflorescences
Inflorescence lax, terminal, raceme-like, composed of 1- to sometimes 3-flowered opposite cymes or flowers borne on short lateral branches; flowers often scented; bracts leaf-like, becoming smaller upwards; bracteoles present; pedicel jointed
Morphology Reproductive morphology Flowers Calyx
Calyx urceolate-tubular, with two entire rounded lips; fruiting calyx ovate, membranous or coriaceous, becoming inflated with lips pressing together, usually splitting to the base into two equal parts at maturity, sometimes remaining intact
Morphology Reproductive morphology Flowers Corolla
Corolla usually shades of dark red-purple to orange or violet, with a 2-lobed posterior lip and a 3-lobed anterior lip; middle lobe of anterior lip the largest, often emarginate, two lobes either side usually the same length as the posterior lip; tube cylindrical at base, widening near the throat
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, slightly exserted, all ascending under posterior lip of the corolla, with a tuft of hairs at the point of insertion; anterior stamens longer than the posterior ones; anthers 2-thecous, smaller on anterior filaments, ciliate
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary divided halfway or more; style filamentous, glabrous, shortly bifid with two unequal lobes
Morphology Reproductive morphology Fruits
Nutlets brown, obovoid to clavate, with an attachment scar covering half the length, winged, with stiff primary rays and finer secondary rays or hairs.

Native to:

Angola, Benin, Botswana, Burkina, Burundi, Cameroon, Cape Provinces, Caprivi Strip, Central African Repu, Ethiopia, Ghana, Guinea, Guinea-Bissau, Ivory Coast, Kenya, KwaZulu-Natal, Malawi, Mali, Mozambique, Namibia, Niger, Nigeria, Northern Provinces, Rwanda, Somalia, Sudan, Swaziland, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Introduced into:

Trinidad-Tobago

Tinnea Kotschy ex Hook.f. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Tweedie, E.M. [1639], Tanzania 1242.000
Chancellor, R.J. [247], Uganda 2788.000

First published in Bot. Mag. 93: t. 5637 (1867)

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.

Literature

Flora of West Tropical Africa

  • Robyns in Bull. Jard. Bot. Brux. 8: 161 (1930).
  • —F.T.A. 5: 496

Flora of Somalia

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

Flora of Tropical East Africa

  • Bot. Mag. 93, t. 5637 (Apr. 1867)
  • Bot. Tidsskr. 70: 1–63 (1975)
  • Kotschy & Peyr., Pl. Tinn.: 25, t. 11 (July 1867)
  • Kubitzki, Fam. Gen. Vasc. Pl. 7: 210 (2004)

Lamiaceae Key Genus Fact Sheets

  • Harley RM, Atkins S, Budantsev AL, Cantino PD, Conn BJ, Grayer R, Harley MM, de Kok RPJ, Krestovskaja T, Morales R, Paton AJ, Ryding O, and Upson T. 2004. Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Sp
  • Tinnea Kotschy ex Hook. f., Bot. Mag.: tab. 5637 (1967)
  • Tinnethamnus Pritz., Icon. Bot. Index 2: 273 (1865).
  • Vollesen, Bot. Tidsskr. 70: 1-63 (1975).

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

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

Lamiaceae Key Genus Fact Sheets
Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
http://creativecommons.org/licenses/by/3.0