Sessile Joyweed
Alternanthera sessilis
Summary 5
Alternanthera sessilis is an aquatic plant known by several common names, including sessile joyweed and dwarf copperleaf. It is used as an aquarium plant.
Description 6
Perennial, sometimes annual, prostrate herb rooting at the nodes. It may occasionally be a floating or emergent aquatic. Stems greenish, pink to purplish, ribbed, up to 1 m, mostly glabrous except for tufts of white hairs in the branch and leaf axils. Young stems with a line of hairs down each side. Leaves opposite, entire, very variable in shape, linear-lanceolate to obovate-spathulate. Inflorescences sessile, axillary, often in clusters, whitish.
Diagnostic 7
Habit: Herb
Sources and Credits
- (c) J.M.Garg, some rights reserved (CC BY), https://upload.wikimedia.org/wikipedia/commons/0/04/Alternanthera_sessilis_W3_IMG_3422.jpg
- (c) Sunnetchan, some rights reserved (CC BY-NC-ND), uploaded by Sunnetchan
- (c) Tim Woodward, some rights reserved (CC BY-NC), uploaded by Tim Woodward
- (c) anonymous, some rights reserved (CC BY-SA), https://upload.wikimedia.org/wikipedia/commons/f/f6/Alternanthera_sessilis_in_Kadavoor.jpg
- (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Alternanthera_sessilis
- (c) Mark Hyde, Bart Wursten and Petra Ballings, some rights reserved (CC BY-NC), http://eol.org/data_objects/30278738
- (c) India Biodiversity Portal, some rights reserved (CC BY), http://eol.org/data_objects/26035046
More Info
- iNat taxon page
- African Plants - a photo guide
- Atlas of Living Australia
- Biodiversity Heritage Library
- BOLD Systems BIN search
- Catalogo de Plantas y Líquenes de Colombia
- eFloras.org
- 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)
- NatureServe Explorer 2.0
- New Zealand Plant Conservation Network
- SEINet Symbiota portals
- Tropicos
- USDA PLANTS database
- World Flora Online
- 日本のレッドデータ検索システム
- 植物和名−学名インデックス YList
