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This species is accepted, and its native range is Tropical & S. Africa.
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: Ethiopia, Tigray, Mt Scholada, Schimper I. 313 (K!, holo. BM!, BR!, P, iso.)
Morphology General Habit
Perennial herb with a thick woody rootstock that extends down and laterally, 0.2–1 m tall, not or hardly aromatic
Morphology Stem
Stems numerous, erect, quadrangular, generally unbranched below the several terminal flowering shoots, sparsely to densely pubescent with retrorse and/or spreading hairs, mostly along the angles below, more generally above
Morphology Leaves
Leaves subsessile to shortly petiolate above, with longer petioles lower down, glandular-punctate; blade ovate to elliptic, 3–11 × 1.5–5(–8) cm, coarsely crenate to serrate, acute and slightly acuminate to rounded at apex, cuneate and then attenuate at base, subglabrous to pubescent above, pubescent beneath especially along veins; petiole 1–20 mm long
Morphology Reproductive morphology Inflorescences
Inflorescence usually rather dense at first, flowering freely while the 6-flowered verticils are still contiguous, but verticils mostly 1–1.5 cm apart in fruit; bracts ovate-acuminate, 2.5–7 mm long, erect above forming an inconspicuous apical coma, deflexed below; pedicels mostly 1–2 mm long in flower, 2.5–4 mm in fruit
Morphology Reproductive morphology Flowers Calyx
Calyx generally flushed reddish brown, maroon or purple all over, at anthesis spreading, 4.5–7 mm long, pubescent especially at base and along the veins; fruiting calyx downward-pointing or vertically so, 7–10(–13) mm long; posterior lip pointed and shortly recurrent on the tube, 3–3.5(–4) mm long; lower lobes of the anterior lip only shortly united at base, awn-like, 2.5–4 mm long, slightly upcurved and often less than 1 mm longer than the lateral lobes
Morphology Reproductive morphology Flowers Corolla
Corolla usually pale pink, sometimes white or mauve, 9–11(–13) mm long; tube 6–9.5 mm long, straight, parallel-sided, dilating slightly towards throat; posterior lip perpendicular to tube; anterior lip cucullate, enclosing stamens, curving slightly upwards or horizontal, finally slightly deflexed and releasing stamens
Morphology Reproductive morphology Fruits
Nutlets brown, speckled darker, broadly ovoid, 1.5 mm long, producing a small amount of mucilage when wet
Figures
Fig 27: 3, p 183
Ecology
Open wooded grassland and grassland prone to burning, Brachystegia woodland, often in damp places along streams, roads and at edges of closed woody communities; 300–2350 m
Conservation
Least concern; widely distributed
Note
Ashby, loc. cit. (1938), first suggested that O. rubicundus (D. Don) Benth., described from Nepal, extended to Africa and this was followed in a broader context by Morton, loc. cit. (1962, 1963), for West Africa and Codd, loc. cit. (1964, 1985) for southern Africa. More material of that species, which ranges from the Himalayas to southern China and Vietnam, is now available, see Sudee, Paton & Parnell in K.B. 60: 8 (2005). Though closely similar to the African material here attributed to O. schimperi, it seems clearly distinct, most notably on account of the regular formation of discrete tubers on the root system, but also with longer intervals between the verticils and a different aspect overall. In East Africa O. schimperi can be distinguished most easily from O. thymiflorus ( O. suffrutescens) by its larger fruiting calyx (7–10 or more rather than 5–7 mm), flushed purplish red overall, rather than purple on the posterior lip and green underneath, and with the lateral lobes of the anterior lip of the fruiting calyx not much shorter than the lower lobes, but these distinctions do not always hold elsewhere. O. schimperi is well adapted to a regime of annual fires and develops a substantial rootstock, with erect mostly unbranched stems and sizeable leaves mostly more than 3 cm long, the upper ones (especially in Tanzanian populations) often nearly sessile, and the inflorescences remain quite dense at the flowering stage. O. thymiflorus starts flowering from a single stem with a taproot and gradually develops a small rootstock and several stems which branch freely (or at least show incipient shoots as tufts of leaves in the axils) to give a straggling habit, bearing mostly small leaves rarely more than 4 cm long except in shaded places, all distinctly petiolate and the verticils soon well spaced. The nutlets of O. thymiflorus are also smaller, 0.9–1.2 mm long rather than 1.5 mm. In the few places where the ranges overlap the distinctions do seem to break down to a limited extent. In the Serere area of eastern Uganda both species occur and whereas Lye 357, cited below, is typical of O. thymiflorus, other specimens, such as Chandler 629 and 640, show calyces approximating to those of O. schimperi. In the southern half of Tanzania O. schimperi is characteristic of Brachystegia woodland and O. thymiflorus occurs in the intervening Acacia wooded grasslands and in the coastal belt, but in ecotones subject to periodic fires some anomalous forms are evident. For example, a series of specimens from eastern Tanzania around Turiani in Brachystegia woodland, cleared areas and cultivations, Drummond & Hemsley 1815, Milne-Redhead & Taylor 7354 and Semsei 1905, show some gradation, best included in O. thymiflorus, but the calyx can be a little longer than typical.
Distribution
Range: From Burkina Faso and Ivory Coast to Ethiopia and south to South Africa Flora districts: U1 U3 U4 K3 K5 T4 T6 T7 T8

[FSOM]

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

Morphology General Habit
Perennial herb with fleshy to woody roots, 0.4–0.5 m tall
Morphology Leaves
Leaves petiolate; blade up to 60–120 × 30–70 mm, apex rounded to subacute, base cuneate to subtruncate and attenuate near the petiole, margin crenate
Morphology Reproductive morphology Fruits Fruiting calyx
Fruiting calyx 6–8 mm long; upper lobe mucronate at the apex; lower lobes 2–2.5 mm long
Morphology Reproductive morphology Flowers Corolla
Corolla 8–10 mm long, pink or purplish; tube c. 6 mm long; lower lip 2–4 mm long
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens shorter than the lower lip of the corolla
Morphology Reproductive morphology Fruits
Nutlets 1–1.2 × 0.9–1.1 mm, producing mucilage when wet.
Distribution
S1 (Buur Heybo); widespread in tropical Africa.
Ecology
Altitude c. 230 m.
Note
This is perhaps not distinct from O. suffrutescens (see under this name).

Native to:

Angola, Benin, Burkina, Burundi, Cameroon, Eritrea, Ethiopia, Ghana, Guinea, Ivory Coast, Kenya, Malawi, Mali, Mozambique, Nigeria, Northern Provinces, Rwanda, Somalia, Sudan, Tanzania, Togo, Uganda, Zambia, Zaïre, Zimbabwe

Orthosiphon schimperi Benth. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Nov 1, 2005 Schimper [313], Ethiopia K000347192 Unknown type material
Nov 1, 2005 Schimper [313], Ethiopia K000347193 Unknown type material
Nov 1, 2005 Whyte, A. [s.n.], Malawi K000347205 Unknown type material
Nov 1, 2005 Buchanan, J [81], Malawi K000347204 lectotype
Nov 1, 2005 Whyte, A. [s.n.], Malawi K000347206 Unknown type material
Nov 1, 2005 Cecil, E. [20], Mozambique K000347203 Unknown type material
Nov 1, 2005 Buchanan, J. [137], Malawi K000347207 Unknown type material
Nov 1, 2005 Buchanan, J. [137], Malawi K000347208
Milne-Redhead, E. [7275], Tanzania 25403.000
Milne-Redhead, E. [8130], Tanzania 25583.000
Milne-Redhead, E. [8235], Tanzania 27180.000
Ash [987], Ethiopia 37008.000
Krause, G.A. [s.n.], Ghana K000347183 Unknown type material

First published in A.P.de Candolle, Prodr. 12: 51 (1848)

Accepted by

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Hedberg, I., Kelbessa, E., Edwards, S., Demissew, S. & Persson, E. (eds.) (2006). Flora of Ethiopia and Eritrea 5: 1-690. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • 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.
  • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Brunel, J.F., Hiepo, P. & Scholz, H. (eds.) (1984). Flore Analytique du Togo Phanérogames: 1-751. GTZ, Eschborn.
  • Calane da Silva, M., Izdine, S. & Amuse, A.B. (2004). A Preliminary Checklist of the Vascular Plants of Mozambique: 1-184. SABONET, Pretoria.
  • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.

Flora of Somalia

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

Flora of Tropical East Africa

  • A. Rich., Tent. Fl. Abyss. 2: 180 (1850)
  • DC., Prodr. 12: 51 (1848)
  • F.T.A. 5: 372 (1900)
  • Fl. Eth. 5: 582 (2006)
  • Fl. Rwanda 3: 328 (1985)
  • Fl. Somalia 3: 347 (2006).

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