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This species is accepted, and its native range is Africa to India.
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: India, banks of the Jamuna [Jemna], 1832, Royle s.n. (LIV, holo. K!, iso.)
Morphology General Habit
Annual or short-lived perennial herb or woody herb to 40 cm tall
Morphology Stem
Stems quadrangular, much branched, often strictly so, woody at base, pubescent with eglandular retrorse hairs, sometimes patent on the inflorescence axis
Morphology Leaves
Leaves glandular-punctate, often ascending, ovate, 15–35 × 10–20(–30) mm, crenate or obtusely serrate, apex obtuse, base attenuate, pubescent with spreading hairs all over surface or on veins beneath only; petiole 8–25 mm long
Morphology Reproductive morphology Inflorescences
Inflorescence lax, with 6-flowered verticils 5–15 mm apart; bracts small, 1 mm long, deciduous below; pedicels 3 mm long, spreading, slightly flattened, curved distally
Morphology Reproductive morphology Flowers Calyx
Calyx horizontal or downward-pointing, 2.5–3 mm long at anthesis; fruiting calyx 6–7 mm long, vertically downward-pointing, pubescent with the longest hairs on the posterior margin of the lateral lobe of the anterior lip and with sessile glands
Morphology Reproductive morphology Flowers Corolla
Corolla white, 4–5 mm long; tube parallel-sided, dilating slightly towards throat, ± 3 mm long, straight, scarcely exserted from the calyx tube; posterior lip 4-lobed with the median lobes narrower; anterior lip cucullate, enclosing stamens when young, becoming horizontal and releasing them at anthesis
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens glabrous
Morphology Reproductive morphology Fruits
Nutlets brown, ovoid, 1.5 mm long, minutely tuberculate, producing a very small amount of mucilage when wet.
Ecology
Commiphora-Acacia bushland on red sandy loam or lava outcrops, seasonally waterlogged grassland on black cotton soil, weed by roads; 550–1300 m
Conservation
Least concern; widely distributed
Distribution
Range: West Africa, NE Africa, Arabian Peninsula, India Flora districts: K1 K4 K6 K7 T2 T3

[FSOM]

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

Morphology General Habit
Spreading herb, often woody at the base, 0.05–0.3 m tall, usually pubescent with recurved whitish hairs
Morphology Leaves
Leaves petiolate; blade ovate-triangular, ovate or ovate-elliptic, up to 8–35 × 4–25 mm, apex rounded, obtuse or acute, base shortly attenuate, margin crenate or serrate
Morphology Reproductive morphology Fruits Fruiting calyx
Fruiting calyx 3.5–6.5 mm long; upper lobe rounded at apex; lower lobes 1.5–3 mm long
Morphology Reproductive morphology Flowers Corolla
Corolla 4.5–6.5 mm long, whitish; tube 2.5–3.5 mm long; lower lip 2.5–3.5 mm long
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens shorter than the lower lip of the corolla
Morphology Reproductive morphology Fruits
Nutlets c. 1.1 × 0.8 mm, producing a small amount of mucilage when wet.
Distribution
N1–3; C1; S1–3 from Arabian peninsula to India.
Ecology
Altitude range 0–1800 m.

[FWTA]

Labiatae, J. K. Morton. Flora of West Tropical Africa 2. 1963

Morphology General Habit
A small, annual, pubescent, bushy, aromatic herb, under 12 in. high.

Native to:

Benin, Burkina, Chad, Djibouti, Egypt, Eritrea, Ethiopia, Ghana, India, Ivory Coast, Kenya, Madagascar, Mali, Niger, Oman, Pakistan, Saudi Arabia, Socotra, Somalia, Sudan, Tanzania, West Himalaya, Yemen, Zaïre

Orthosiphon pallidus Royle ex Benth. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Mathew, B. [6218], Kenya 6049.236
Mathew, B. [6218], Kenya 6049.317
Schweinfurth, G. [277], Sudan K000347194
Royle, J.F. [s.n.] K000911669
Jacquemont, V.V. [1427], India K000911670
Royle, J.F. [s.n.], India K000911668
Chevalier, A. [24120], Benin Orthosiphon incisus K000347184

First published in Bot. Misc. 3: 370 (1833)

Accepted by

  • Akoègninou, A., van der Burg, W.J. & van der Maesen, L.J.G. (eds.) (2006). Flore Analytique du Bénin: 1-1034. Backhuys Publishers.
  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • 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.
  • 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.
  • Miller, A.G. & Morris, M. (2004). Ethnoflora of Soqotra Archipelago: 1-759. The Royal Botanic Garden, Edinburgh.
  • Mosti, S., Raffaelli, M. & Tardelli, M. (2012). Contributions to the flora of central-southern Dhofar (Sultanate of Oman) Webbia; Raccolta de Scritti Botanici 67: 65-91.
  • 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.
  • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.
  • Thulin, M. (ed.) (2006). Flora of Somalia 3: 1-626. The Royal Botanic Gardens, Kew.

Literature

Kew Backbone Distributions

  • Brundu, G. & Camarda, I. (2013). The Flora of Chad: a checklist and brief analysis PhytoKeys 23: 1-18.
  • Mosti, S., Raffaelli, M. & Tardelli, M. (2012). Contributions to the flora of central-southern Dhofar (Sultanate of Oman) Webbia; Raccolta de Scritti Botanici 67: 65-91.
  • Peyre de Fabregues, B. & Lebrun, J.-P. (1976). Catalogue des Plantes Vascularies du Niger: 1-433. Institut d' Elevage et de Médecine Vétérinaire des Pays Tropicaux, Maisons Alfort.

Flora of Somalia

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

Flora of Tropical East Africa

  • F.T.A. 5: 369 (1900)
  • Fl. Eth. 5: 582 (2006).
  • Hook. Bot. Misc. 3: 370 (1833)
  • J.B. 76: 46 (1938)
  • Lab. Gen. Sp.: 708 (1834)
  • U.K.W.F. ed. 2: 297 (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

Flora of West Tropical Africa
Flora of West Tropical 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