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This genus is accepted, and its native range is Cameroon, Israel to NE. Tropical Africa, Arabian Peninsula.
Otostegia fruticosa subsp. schimperi

[FSOM]

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

Morphology General Habit
Subshrubs or shrubs, with unbranched hairs only
Morphology Reproductive morphology Inflorescences
Inflorescences thyrse-like or sometimes spicate, lax or dense; bracts ± leaf-like; cymes 1–30-flowered, with bracteoles; pedicels up to 1 mm long
Morphology Reproductive morphology Flowers Calyx
Calyx (5–)10-lobed, ± zygomorphic, 10-ribbed, with an expanded, widely funnel-shaped or almost flat limb which usually is larger at the ventral than at the dorsal side, with a ring of hairs in the upper part of the tube; lobes mostly very short and broad
Morphology Reproductive morphology Flowers Corolla
Corolla 2-lipped; upper lip hooded, ± falcate, longer than or as long as the tube, emarginate at the apex, densely hairy and bearded along the margin with whitish or cream hairs; lower lip straight or deflexed, ± as long as the upper lip (in Somalia), white (in Somalia), 3-lobed with the midlobe ± larger
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included in the upper lip of the corolla
Morphology Reproductive morphology Flowers Gynoecium Style
Style-branches equally long or lower slightly longer
Morphology Reproductive morphology Fruits
Nutlets obovoid, with or without sessile glands at the apex.
Note
Genus with about 7 species in the northern part of tropical Africa and southwestern and central Asia.

[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
Small shrubs or subshrubs with simple hairs, often with spines in leaf-axils
Morphology Leaves
Leaves toothed, petiolate
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid or racemoid
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles long or short, spinose
Morphology Reproductive morphology Flowers Calyx
Calyx slightly zygomorphic to strongly 2-lipped, very widely funnel-shaped to flat in distal part, tubular, obconical or sometimes tumescent in basal part, 5-10(-11)-lobed, lobes spreading, broad and obscure or spine-tipped, tube annulate
Morphology Reproductive morphology Flowers Corolla
Corolla strongly 2-lipped, 4-lobed (1/3), white or yellow, posterior lip long, hooded, often bearded and densely pubescent outside
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens not or only shortly exserted from corolla, thecae weakly distinct
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes slightly unequal
Morphology Reproductive morphology Fruits
Nutlets 1-4, with apex truncate or rounded, with or without sessile glands.
Note
About fifteen species.
Ecology
In rather dry often montane areas and semi-deserts
Distribution
Northeastern Cameroon to Saudi Arabia and Yemen, Northeastern Egypt (Sinai), Iran, Central Asia to India.

Native to:

Cameroon, Djibouti, Egypt, Eritrea, Ethiopia, Palestine, Saudi Arabia, Sinai, Somalia, Sudan, Yemen

Otostegia Benth. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Ash [65], Ethiopia 900.001

First published in Labiat. Gen. Spec.: 601 (1834)

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 Somalia

  • Flora Somalia, (2000) Author: by O. Ryding [updated by M. Thulin 2008]
  • Sebald in Stuttgarter Beitr. Naturk. Ser. A 263: 1–84 (1973).

Lamiaceae Key Genus Fact Sheets

  • Chartocalyx Regel, Trudy Imp. S.-Peterburgsk. Bot. Sada 6: 367 (1879).
  • Dictilis Raf., Fl. Tellur. 3: 89 (1837).
  • 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
  • Harmsiella Briq. in H.G.A.Engler & K.A.E.Prantl, Nat. Pflanzenfam., Nachtr. 1: 291 (1897)., (1896).
  • Otostegia Benth., Lab. Gen. et Sp. 601 (1834)
  • Sebald, Stuttgarter Beitr. Naturk. A 363: 1-84 (1973).

Flora of Somalia
Flora of Somalia
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