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iNat·1647652sectionPlantae7,855 field observations
  1. Plants
  2. ›Vascular Plants
  3. ›flowering plants
  4. ›Dicots
  5. ›myrtles, evening primroses, and allies
  6. ›evening primrose family
  7. ›Ludwigia
Pterocaulon
Plate 1 of 1. (c) eyeweed, some rights reserved (CC BY-NC-ND) · via iNaturalist

Pterocaulon

Pterocaulon is a genus of flowering plants in the sunflower family, native to North and South America and to Australasia. Blackroot is a common name for species native to North America.

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5 branches of this group, most-observed first

Wingleaf Primrose-Willow

speciesLudwigia decurrens

yerba de jicotea

speciesLudwigia erecta

Longleaf Primrose-willow

speciesLudwigia longifolia

Ludwigia major

speciesLudwigia major

Ludwigia filiformis

speciesLudwigia filiformis

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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In the stacks

Searching the stacks…

Every page naming Pterocaulon in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 1647652.