Compilation
Plectranthus hadiensis

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Name

Identification
Plectranthus hadiensis (Forssk.) Schweinf. Ex Spreng. [family LAMIACEAE ]
Related name
  • Plectranthus hadiensis

Flora

Entry for PLECTRANTHUS hadiensis (Forssk.) Schweinf. ex Sprenger [family LABIATAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, (2000) Author: by O. Ryding (Aeollanthus, Basilicum, Clinopodium, Endostemon, Fuerstia, Hoslundia, Lavandula, Leucas, Micromeria, Nepeta, Ocimum, Orthosiphon, Otostegia, Plectranthus, Renschia, Salvia, Scutellaria, Stachys, Teucrium, Tinnea) and M. Thulin (Clerodendrum, Premna, Rotheca, Vitex) [updated by M. Thulin 2008]
Names
PLECTRANTHUS hadiensis (Forssk.) Schweinf. ex Sprenger [family LABIATAE], (1894);
Ocimum hadiense Forssk. [family LABIATAE], (1775);. [type as above]
PLECTRANTHUS forskaolii Vahl [family LABIATAE], (1790), as ” forskaolaei ”, nom. superfl. [type as above]
PLECTRANTHUS paucicrenatus Franch. [family LABIATAE], (1882);. type: northern Somalia, without precise locality, Révoil s.n. (P holo.).
PLECTRANTHUS hararensis Gürke [family LABIATAE], (1905).
Information
Shrublet or subshrub, 0.1–1.2 m tall. Leaves petiolate, rather fleshy; blade broadly ovate or suborbicular, up to 30–60 × 30–55 mm, lanate or densely pubescent with long greyish hairs, more densely so below, apex rounded, base broadly cuneate or truncate, very shortly attenuate near the petiole, margin deeply crenate. Inflorescences rather lax; bracts usually early deciduous; cymes 3–9-flowered, subsessile; pedicels spreading, 3–5 mm long in the fruiting stage, with short eglandular hairs and few to many often purplish sessile to shortly stalked glands. Fruiting calyx strongly upcurved, 3.5–5 mm long, often with purplish sessile glands; upper lobe broadly ovate, concave, not decurrent (or superficially decurrent as the calyx-wall is double-folded at the margins); lower lobes c. 1.5 mm long, slightly longer than the lateral lobes. Corolla c. 6–9 mm long, blue; tube only slightly curved; upper lip with the suborbicular midlobes folded backwards and the lateral lobes folded forwards; lower lip 3–4 mm long. Stamens free, shorter than or up to as long as the lower lip of the corolla. Nutlets c. 0.8–1 × 0.9–1.1 mm, glossy, brown, producing mucilage when wet.
Range
N1–3 widespread in tropical Africa and on the Arabian peninsula.
Altitude range
1100–2300 m.
Distribution
SOMALIA Newbould 822B; Bally 11275; Bally & Melville 15718.
Notes
The name P. zatarhendi E.A. Bruce has long been used for this species, but the type of this name represents P. aegyptiacus. Material from N1 and N2 consists of relatively large subshrubs or shrublets, while plants from N3 are small and more or less herbaceous.

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