Pentatrichia petrosa
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Image 1
Habit
02 Apr 2015
| Family: | Asteraceae |
| Full name: | Pentatrichia petrosa Klatt |
| ID status: | Fairly certain |
| Afrikaans common name(s): | - |
| English common name(s): | - |
| Synonym(s): | Inula petrosa Klatt ex Range |
| Status: | Native |
| Description: | Perennial shrubs, 0.2–1.50 m high. Leaves cordate, up to 37×37 mm, long petiolate narrowing into almost winged petiole, membranous; petiole wing often only visible as a ridge; petiole up to 27 mm long. Capitula homogamous, solitary or twinned on apical branches, up to 14×14 mm; peduncles up to 22 mm long. Ray florets absent. Involucral bracts eglandular to obscurely glandular abaxially. Achenes sparsely pubescent, 0.8 (–1.3) mm long. Pappus bristles 5–8. Distribution: Widespread in Namibia extending into the Northern Cape province of South Africa (Fig. 7). Ecology: Rocky and mountainous areas along the escarpment, mainly at the base and in crevices of boulders, but are occasionally found hanging from crevices of cliffs, on koppies and rocky outcrops. Found on S, SE, SW, E, ESE, W, and N aspects. A variety of rock types including schist, granite, sandstone, quartzite and dolomite have been noted. Altitude between 490 and 1719 m. (from A taxonomic revision of the genus Pentatrichia (Asteraceae), E.S. Klaassen, E.G. Kwembeya and E. Maass, 2009) |
| Link(s) |
African Plant Database
JSTOR Plant Science Kew Herbarium Catalogue BGBM Berlin-Dahlem - Virtual Herbarium Züricher Herbarien iNaturalist (Namibia / Alex Dreyer) iNaturalist (Namibia) iNaturalist (southern Africa) Flora of Zimbabwe Fleurs de notre Terre - Galerie Namibie Tree Atlas of Namibia |
| Content last updated: | 18 Apr 2024 |
