Compilation
Hedyotis pentandra

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Name

Identification
Pentodon pentandrus (Schumach. and Thonn.) Vatke [family RUBIACEAE ] (stored under name); Verified by Not on Sheet, Hedyotis pentandra Schumach. and Thonn. [family RUBIACEAE ] Verified by Not on Sheet,
Related name
  • Oldenlandia divaricata
  • Pentodon pentandrus
  • Oldenlandia macrophylla
  • Hedyotis pentandra

Flora

Entry for PENTODON pentandrus (Schumach. & Thonn.) Vatke [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
PENTODON pentandrus (Schumach. & Thonn.) Vatke [family RUBIACEAE], (1875);
Hedyotis pentandra Schumach. & Thonn. [family RUBIACEAE], (1827). Fig. 41. [type as above]
Information
Annual or short-lived perennial herb; stems decumbent or ascending, up to 90 cm long. Leaf-blades linear-lanceolate to elliptic, 13–80 x 3–27 mm, acute at the apex; stipule sheath c. 0.5–3 mm long with 0.5–3 mm long fimbriae. Flowers in apparently axillary distinctly pedunculate inflorescences, usually paired at the nodes; bracts minute or absent; pedicels 2–15 mm long, spreading. Calyx with a distinct limb-tube; lobes narrowly triangular, 0.5–1.5 mm long. Corolla white, pink or bluish, often with pale yellow tube; tube 1.5–4.5 mm long; lobes 1–3 mm long. Capsule 2–4 mm long. Seeds black, c. 0.3 mm long.
Range
C2; S1, 2 widespread in tropical Africa, Madagascar, Arabia, and, perhaps introduced, America.
Altitude range
100–450 m.
Distribution
SOMALIA Kilian 1803 & Lobin 6657; Suckert 3; Paoli 1212.
Notes
Abdi cajan (Som.).The Somali material, with small isostylous flowers, is var. pentandrus. Var. minor Bremek. occurs in eastern Africa southwards to South Africa.

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