Ambrosia linearis
J. Arnold Arbor. 45: 425. 1964
Basionyms: Gaertneria linearis Rydberg Bull. Torrey Bot. Club 32: 133. 1905
Perennials or subshrubs, 20–40+ cm. Stems erect. Leaves mostly alternate; petioles 0; blades mostly linear (some 1-pinnate, lobes linear), 12–20(–35+) × 1(–2+) mm, bases cuneate, margins entire, abaxial faces strigillose (whitish), adaxial faces scabrellous. Pistillate heads clustered, proximal to staminates; florets 1. Staminate heads: peduncles 0.5–1 mm; involucres cup-shaped (with black nerves), 4–6+ mm diam., strigillose; florets 12–20+. Burs: bodies pyriform to obconic, 2–4(–5) mm, strigillose, spines (4–)5–9(–13+), scattered or mostly distal, subulate, (0.8–)1–1.5 mm, tips usually uncinate.
Phenology: Flowering Jul.
Habitat: Seasonally wet, sandy soils
Elevation: 2000–2100 m
Phenology: Flowering Jul.
Habitat: Seasonally wet, sandy soils
Elevation: 2000–2100 m
Discussion
Ambrosia linearis is in the Center for Plant Conservation’s National Collection of Endangered Plants.
References
None.
Lower Taxa
No lower taxa listed.
Facts about "Ambrosia linearis"
Author | John L. Strother + |
Authority | (Rydberg) W. W. Payne + |
Basionyms | Gaertneria linearis + |
Distribution | Colo. + |
Elevation | 2000–2100 m + |
Habitat | Seasonally wet, sandy soils + |
Illustrator | Barbara Alongi + |
Phenology | Flowering Jul. + |
Publication title | J. Arnold Arbor. + |
Publication year | 1964 + |
Reference | None + |
Source xml | https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V19-20-21/V21 22.xml + |
Synonyms | Franseria + and Hymenoclea + |
Taxon family | Asteraceae + |
Taxon name | Ambrosia linearis + |
Taxon parent | Ambrosia + |
Taxon rank | species + |
Volume | Volume 21 + |