|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Annual 5--60 cm. Stem: erect. Leaf: basal and cauline, proximal opposite, often crowded, distal alternate, sessile, spoon-shaped to linear, entire or toothed, coarse-hairy to strigose, distal sometimes also stalked-glandular. Inflorescence: heads radiate, in +- umbel-like clusters; involucre 3--5 mm diam, +- obconic or urn-shaped to spheric; phyllaries 2--12 in 1 series, lanceolate (often long-tapered), each generally wholly enveloping a ray ovary, falling with fruit, coarse-hairy, hair tips +- hooked; receptacle flat to convex, glabrous or minutely bristly; paleae in 1 series between ray and disk flowers, fused, phyllary-like to +- scarious, deciduous. Ray Flower: 2--12; corolla yellow, ray sometimes purple-veined abaxially. Disk Flower: ; Fruit: ray fruit compressed, club-shaped, arched, glabrous, tip beaked, pappus crown-like, scales 0.1--1 mm; disk pappus of 5--7 scales, 2.5--3 mm, white or purple-tipped, awl-shaped, wavy, minutely ciliate.
Species In Genus: 2 species: California. Etymology: (Jens C. Clausen, California botanist, 1891--1969)
eFlora Treatment Author: Bruce G. Baldwin
Jepson Online Interchange
Key to JensiaPrevious taxon: Jaumea carnosa
Next taxon: Jensia rammii
Citation for this treatment: Bruce G. Baldwin 2016. Jensia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=77564, accessed on August 27, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 27, 2016.