|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
|Family: Asteraceae (Compositae)||View Description||Dichotomous Key|
|Genus: Acroptilon||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Acroptilon repens (L.) DC.
Habit: Perennial herb 3--10 dm, from dark rhizome. Stem: erect; branches ascending, +- cobwebby-tomentose. Leaf: proximal 4--10 cm, oblong, 1--2-pinnately lobed, distal 1--3 cm, linear to narrowly lanceolate, entire to toothed; blades glabrous to +- tomentose. Inflorescence: heads discoid in +- flat-topped or panicle-like, leafy-bracted clusters, leafy; involucre 10--14 mm, +- ovoid; phyllaries graduated in several series, entire, +- soft-hairy, inner narrower, tips widely scarious; receptacle flat, epaleate, bristly, bristles flattened. Flower: 15--36; corolla +- 15 mm, white to pink or purple, tube very slender, throat abruptly wider, lobes linear; anther base short-tailed, tip oblong; style with minutely hairy and swollen distal node, papillate above node, branches +- linear, tips triangular. Fruit: 3--4 mm, obovoid, slightly compressed, glabrous; pappus bristles many, 6--8 mm, +- deciduous, barbed proximally, short-plumose distally. Chromosomes: 2n=26.
Ecology: Fields, roadsides; Elevation: < 2250 m. Bioregional Distribution: CA (exc wettest NW, driest GB); Distribution Outside California: North America; native to central Asia. Flowering Time: May--Sep
Synonyms: Centaurea repens L.
eFlora Treatment Author: David J. Keil
Jepson Online Interchange
Previous taxon: Acroptilon
Next taxon: Adenocaulon
Citation for this treatment: David J. Keil 2016. Acroptilon repens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=718, accessed on October 28, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on October 28, 2016.