Pseudognaphalium luteoalbum
Summary 7
Helichrysum luteoalbum, commonly known as Jersey Cudweed or Weedy Cudweed, is a cosmopolitan weed.
Description 8
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 × 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.
Sources and Credits
- (c) Wikimedia Commons, some rights reserved (CC BY-SA), https://upload.wikimedia.org/wikipedia/commons/b/b3/Pseudognaphalium02.jpg
- (c) Václav Dvořák, some rights reserved (CC BY-NC), https://www.biolib.cz/IMG/GAL/67719.jpg
- (c) Richard Spellenberg, some rights reserved (CC BY-NC-SA), https://calphotos.berkeley.edu/imgs/512x768/0000_0000/1114/2834.jpeg
- (c) Richard Spellenberg, some rights reserved (CC BY-NC-SA), https://calphotos.berkeley.edu/imgs/512x768/0000_0000/1114/2835.jpeg
- (c) Jorg and Mimi Fleige, some rights reserved (CC BY-NC), https://calphotos.berkeley.edu/imgs/512x768/0000_0000/0108/1753.jpeg
- (c) Jorg and Mimi Fleige, some rights reserved (CC BY-NC), https://calphotos.berkeley.edu/imgs/512x768/0000_0000/1208/2695.jpeg
- (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Pseudognaphalium_luteoalbum
- (c) Mark Hyde, Bart Wursten and Petra Ballings, some rights reserved (CC BY-NC), http://eol.org/data_objects/30290117
More Info
- iNat taxon page
- African Plants - a photo guide
- Atlas of Living Australia
- Biodiversity Heritage Library
- BOLD Systems BIN search
- Calflora
- CalPhotos
- Catalogo de Plantas y Líquenes de Colombia
- eFloras.org
- Flora Digital de Portugal
- Flora of North America (beta)
- Global Biodiversity Information Facility (GBIF)
- HOSTS - a Database of the World's Lepidopteran Hostplants
- IPNI (with links to POWO, WFO, and BHL)
- Jepson eFlora
- Maryland Biodiversity Project
- NatureServe Explorer 2.0
- NBN Atlas
- New Zealand Plant Conservation Network
- OregonFlora.org
- SEINet Symbiota portals
- Tropicos
- USDA PLANTS database
- VASCAN by Canadensys
- World Flora Online
