Pseudognaphalium luteo-album luteo-album
| Family: | Asteraceae |
| Full name: | Pseudognaphalium luteo-album (L.) Hilliard & Burtt subsp. luteo-album |
| Location: | Kyffhäuser (2416AD + 2416CB) |
| ID status: | ID not 100% certain |
| Afrikaans common name(s): | Roerkruid, Vaalbossie |
| English common name(s): | Jersey cudweed, Cudweed, Weedy cudweed |
| Synonym(s): | Gnaphalium luteo-album L. Pseudognaphalium luteo-album (L.) Hilliard & Burtt (1981) Synonym(s) Heterotypic Gnaphalium trifidum Thunb. Gnaphalium luteo-fuscum Webb (1849) Gnaphalium dealbatum var. luteo-fuscum (Webb) Lobin (1986) hasn't been recombined to Vellereophyton. |
| Status: | Native |
| Description: | Pseudognaphalium luteo-album (L.) Hilliard & B.L.Burtt: Annual herb to 50 cm tall, all parts whitish-woolly. Stems usually several from the base, decumbent at first, later erect. Leaves sessile, up to 8 x 1 cm at base, oblanceolate, becoming smaller and lanceolate or linear above, greyish or whitish tomentose or arachnoid, on both sides; margin entire. Inflorescence consisting of dense clusters of capitula 1-several together in terminal corymbs. Involucres 3-4 mm in diameter; phyllaries in c. 3 rows, pale brown to whitish. Outer female florets very numerous, whitish. Bisexual disk florets cylindric. Achenes ellipsoid, papillose. Pappus of numerous soft bristles. (from Flora of Zimbabwe website) Pseudognaphalium luteo-album (L.) Hilliard & B.L.Burtt: Annual herb, all parts thinly greyish-white woolly, stems to 500 mm, several from the base, usually decumbent and occasionally rooting at the base, then erect, simple below, often cymosely branched above, leafy. Leaves up to 80 x 10 mm, oblanceolate, becoming progressively smaller and lanceolate to linear upwards, obtuse or subacute, uppermost acute to acuminate, base clasping. Heads ovoid, c. 4 mm long, in dense glomerules, one or several at the branch tips. Involucral bracts in c. 3 series, about equalling the flowers, stereome divided, lamina translucent, palest golden-brown, buff or whitish in our area. Receptacle tuberculate. Flowers c. 70-175 ('female'), 5-15 ('bisexual'), whitish, tipped reddish. Achenes c. 0.5 mm long, with myxogenic hairs. Pappus bristles many, scab rid, bases cohering lightly by patent cilia. (from JSTOR Global Plants website / Flora of Southern Africa) |
| 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 |
| Photographer: | AA Dreyer |
| Date of photograph: | 14 Dec 2008 |
| Camera make: | Canon |
| Camera model: | PowerShot A700 |
| Lens aperture: | f/4.0 |
| Shutter speed: | 1/320 s |
| ISO speed: | - |
| Content last updated: | 18 Apr 2024 |
