Calostephane divaricata
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Image 1
Habit
27 Apr 2008
Image 2
Fluted stems
27 Apr 2008
Image 3
Flower
27 Apr 2008
| Family: | Asteraceae |
| Full name: | Calostephane divaricata Benth. |
| ID status: | Fairly certain |
| Afrikaans common name(s): | Winterveld-madeliefie |
| English common name(s): | Wing-stemmed daisy |
| Synonym(s): | Calostephane divaricata Benth. var. schinzii (O.Hoffm.) Thell. Calostephane eyelesii Thell. Calostephane foliosa Klatt Calostephane schinzii O.Hoffm. Calostephane setosa Alston |
| Status: | Native |
| Description: | Branched annual herb, up to c. 1 m. Leaves alternate, ovate, lanceolate to almost linear, up to 11 x 2.5 cm, thinly textured, 3-veined from near the base, finely velvety to almost hairless; base tapering into a winged petiole, sometimes decurrent along the upper branches; margin dentate to almost entire. Capitula terminal on the branches, yellow. Involucral bracts 1-2-seriate, linear-lanceolate, up to 6 mm long, covered with somewhat hooked hairs. Ray-florets spreading, oblong-elliptic, 3-toothed at the apex. (from Flora of Zimbabwe website) Divaricately branched herb, 2 ft. or more high; branches slightly striate, alate above, puberulous or above scaberulous. Leaves ovate or lanceolate, subobtuse, cuneate at the base into alate petiole, glandular-punctate, membranous, denticulate or subentire, 0.5–2 in. long by 0.125– 0.5 in. wide; midrib asperulous with short hooked bristles; petioles shorter than the leaves, dilated below and decurrent, asperulous at the alate margins. Capitula depressed-globose, 0.5 in. wide by 0.333 in. high, on distinct unequal terminal and subterminal peduncles. Scales of the involucre linear-subulate, uniseriate, not wholly contiguous, acute, with hooked bristles outside. Receptacle 0.125 in. diam. Achenes costate somewhat falcate; ribs setulose. (from JSTOR Global Plants website / Flora of Tropical Africa) Calostephane divaricata is an annual herb reaching 1 m high. The stem is winged. The leaves are entire, they may pesurer up to 11 x 2.5 cm, the teeth are rounded margin. The heads include May to September ligulate florets yellow with 3 teeth at the end and yellow tubular florets well. (from www.planetefleurs.fr, translated from French by Google Translate) Herbs or subshrubs, pubescent-rough, with sessile glands; Stem wingless or narrowly winged. Leaves alternate, lanceolate to ovate-lanceolate, narrowing into a short stalk, entire to coarsely toothed. Heads in loose panicles, 10-15 mm (excluding ray florets) in diameter, homogamous or heterogamous. Involucre hemispherical, bracts in two rows, linear, acuminate. marginal florets, when present, ligulate, yellow, female; Styles pointed. disc florets tubular, yellow, hermaphrodite; anthers short-tailed; Handle shanks somewhat broadened, pointed, with very short bristles. Achenes on the ribs pubescent, glandular in between. Pappus consisting of two rows of 5 membranous scales each, the outer ones always rounded to truncated, the inner ones of the same length and rounded or ± longer and pointed to awn-like. Heads with ray florets. Inner pappus scales longer than outer ones, pointed like awns. Stem mostly narrowly winged. (from Prodromus einer Flora von Südwestafrika, Merxmueller, 1972) |
| 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 |
