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This species is accepted, and its native range is SW. Tanzania.

[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
Typus: Tanzania, Iringa District: Mafinga [Sao Hill] to Madibira road, Richards 17354 (K!, holo. EA!, iso.)
Morphology General
Suffrutex with inflorescence arising from a rosette of leaves, producing small 30–40 mm long tubers, 30–50 cm tall, not reported to be aromatic
Morphology Stem
Stem short with inflorescence erect, quadrangular, unbranched, pubescent with variously orientated eglandular hairs and red sessile glands
Morphology Leaves
Leaves 4–6 in a flat or ascending basal rosette; blades often purplish beneath, broadly elliptic or obovate, 4.5–18 × 2–12 cm, crenate, apex rounded, base attenuate, subglabrous to pubescent, with red sessile glands
Morphology Reproductive morphology Inflorescences
Inflorescence lax with (6–)10–20-flowered verticils up to 40 mm apart in fruit with cymes sessile, dichasial at first branch and with two lateral cincinni up to 10 mm long, bracts ovate, apiculate, ± 5 mm long, forming an inconspicuous terminal coma, cucullate around young cymes, soon caducous; pedicels 3–5 mm long
Morphology Reproductive morphology Flowers Calyx
Calyx ± 2 mm long, pubescent, with red sessile glands; fruiting calyx 6–8 mm long, tubular, slightly curved with pedicel attached excentrically behind the posterior lip; throat truncate; posterior lip elliptic, curving upwards, acute at apex, not or shortly decurrent; lateral lobes rounded, oblong; median lobes of anterior lip linear, 4–5 mm long with short 0.5–1 mm long teeth
Morphology Reproductive morphology Flowers Corolla
Corolla white or dull purple, 14–16 mm long, pubescent on lobes, with red sessile glands; tube 6 mm long, sigmoid; posterior lip erect or reflexed, shorter than anterior; anterior lip 10 mm long, deeply cucullate enclosing stamens, horizontal to ascending
Morphology Reproductive morphology Flowers Androecium Stamens
Staminal filaments fused
Morphology Reproductive morphology Fruits
Nutlets brown, speckled reddish, ovoid, 1 mm long, producing a small amount of mucilage when wet
Figures
Fig 39: 3, p 238 & 55, p 332
Ecology
Brachystegia woodland; 1050–1600 m
Conservation
Known from 4 collections, possibly threatened
Note
Richards 15571 is slightly anomalous in having dull purple, not white flowers and a fruiting calyx only 6 mm long.
Distribution
Range: Not known elsewhere Flora districts: T4 T7

Native to:

Tanzania

Coleus platyphyllus (A.J.Paton) A.J.Paton appears in other Kew resources:

First published in PhytoKeys 129: 84 (2019)

Accepted by

  • Govaerts, R., Nic Lughadha, E., Black, N., Turner, R. & Paton, A. (2021). The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. https://doi.org/10.1038/s41597-021-00997-6 Scientific Data 8: 215.

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/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