African Plant Database

Commelina petersii Hassk.
Protologue : Flora 46: 385 (1863)
Information on the genus : Commelina
Status for SA : accepted (present)
Status for TA : accepted (present)
Synonym(s) Homotypic
 Commelina petersii Hassk. subsp. petersii
Synonym(s) Heterotypic
=Commelina trachysperma Chiov. (1911)
=Commelina imberbis var. loandensis C.B. Clarke (1902)
=Commelina petersii subsp. loandensis (C.B. Clarke) Faden (2007)
=Commelina alisagarensis Kumar & Deodikar
=Commelina brachysperma Chiov.
=Commelina jacobii C.E. C. Fisch.
=*Commelina persicariifolia Wight ex C.B. Clarke
Taxon infra-specific
Commelina petersii Hassk. subsp. petersii
Ecology and distribution
Trop. Afr.
Biology : Annual or short-lived perennial herb with fibrous or moderately fusiform roots; stems erect or scrambling to 1 m long, glabrous at base, pubescent on their upper part with hooked hairs; leaf sheaths 1-2 cm long, whitish with dark brown veins, pubescent with hooked hairs or nearly glabrous; blade to 8-9x1,2-1,8 cm, apex long-acuminate, pubescent beneath, glabrous above, base narrowed in a quasi-petiole; spathes with margins fused on 3-4 mm at base, 18-25x19-24 mm, apex acute, pubescent, peduncle 16-30 mm long, pubescent; flowers blue, sky blue, dark blue; seeds reniforme with strong, radiate tuberculate ridges.
Ecology : Acacia, Combretum, Terminalia woodland; dry grassland; occasionally at forest edges; thickets at base of dune with Thespesia, Acacia sp. on sand/silt interface; stabilized dunes with Acacia senegal thickets; roadside thorn fence; shrubby damp places near river; streamsides; thickets near the sea; poor sandy soil; near sea-level to 1700 m alt.
South. Afr.
Biol./Eco : perennial-Herb- Ht - 0.5 states: BOT, NAM, LP

Bibliography for Tropical Africa :
  • Fl. Trop. E. Afr., Commelinaceae Commel.: 192 (2012)

Bibliography for Southern Africa :
  • Oliver, D., Dyer, W.T.T.; Prain, D.; Hill, A.W. (1901). Flora of Tropical Africa 8: 50 
More info on :
see under Jstor_African Plant Initiative
see under Flore d'Afrique Centrale
see under The International Plant Name Index
see under Flora of Zimbabwe
More information >> ( work in progress )
Record n°11601
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