Compilation
Tarenna nigrescens

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Name

Identification
Tarenna nigrescens R.D.Good [family RUBIACEAE ] Nichallea soyauxii (Hiern) Bridson [family RUBIACEAE ] (stored under name); Verified by Bridson,D.,
Related name
  • Nichallea soyauxii
  • Tarenna asteriscus
  • Tarenna nigrescens
  • Coptosperma nigrescens
  • Pavetta saligna
  • Ixora pruinosa
  • Tarenna sechellensis
  • Tarenna nigroviridis

Flora

Entry for COPTOSPERMA nigrescens Hook. f. [family RUBIACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 3, (2006) Author: by D. Bridson & M. Thulin (Pavetta), J. Degreef & D. Bridson (Coptosperma), and M. Thulin (Agathisanthemum, Canthium, Carphalea, Catunaregam, Coffea, Conostomium, Diodia, Feretia, Galium, Gardenia, Heinsia, Kohautia, Lamprothamnus, Meyna, Oldenlandia, Oxyanthus, Pachystigma, Paederia, Pentanisia, Pentanopsis, Pentas, Pentodon, Plocama, Polysphaeria, Psychotria, Psydrax, Pyrostria, Rothmannia, Rubia, Rytigynia, Spermacoce, Tennantia, Tricalysia, Valantia, Vangueria, Wendlandia) [updated by M. Thulin 2008]
Names
COPTOSPERMA nigrescens Hook. f. [family RUBIACEAE], (1873);
Tarenna nigrescens (Hook. f.) Hiern [family RUBIACEAE], (1877). [type as above]
Information
Evergreen shrub or tree, 1.5–2(–7) m tall; twigs glabrous, with bark shiny dark reddish to greyish, flaking. Leaf-blades leathery, lanceolate to narrowly ovate or elliptic, (3–)5–8.5(–11) x (1–) 2–3(–3.7) cm, often drying blackish, very shiny above, acuminate or acute at apex; petiole (3–)5–9(–11) mm long, glabrous; stipules 0.5–2(–3) mm long, obtuse or acute, hairy within, soon falling. Inflorescences sessile or on up to 2.5 cm long peduncle, terminal, often supported by rudimentary leaves, up to 6.5 cm across (excl. corollas); first order branches 5–13 mm long; pedicels 5–14 mm long. Calyx glabrous or slightly puberulous; limb-tube up to 2 mm long, truncate or with very short teeth. Corolla white or yellowish, glabrous outside, pubescent at throat; tube (1.5–)3–5 mm long; lobes 5–6 mm long. Fruit black when ripe, 6–7.5(–8) mm in diam., with persistent calyx-limb, 1-seeded; seed spherical, endosperm deeply ruminate.
Range
S1, 3
Altitude range
30–300 m.
Distribution
SOMALIA Gillett & al. 25085; Thulin, Hedrén & Abdi Dahir 7531.
Distribution (external)
Kenya
Tanzania
Mozambique
Madagascar

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