Flora of North America species comparison

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Orochaenactis

California mountain-pincushion, orochaenactis
Habit Annuals, 1–25 cm.
Stems

erect to spreading, simple or ± branched (very slender).
Leaves

cauline; opposite (proximal) or alternate; obscurely petiolate or sessile;

blades linear to narrowly oblong-oblanceolate, margins entire, faces tomentose to glabrate, gland-dotted.
Involucres

cylindric or narrowly turbinate, 3–4(–6) mm diam.
Receptacles

± flat, ± knobby, epaleate.
Ray florets

0.
Disc florets

4–9;

corollas yellow, lobes 5, short-triangular (anther bases short-sagittate, appendages short-triangular; style branches linear, tapering).
Phyllaries

persistent, 4–7 in ± 1 series (distinct, oblong, unequal, glandular-puberulent).
Heads

discoid, borne singly or (2–5) in clusters (at stem tips).
Cypselae

terete, linear-clavate, narrowly ribbed, minutely glandular-puberulent, glabrescent;

pappi falling (in rings), of 11–17 (basally connate) oblanceolate, fringed, obtuse scales.
x

= 9.

Orochaenactis
Distribution
from FNA
CA
[BONAP county map]
Discussion

Species 1.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 414. Author: David J. Keil.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Chaenactidinae
Subordinate taxa
O. thysanocarpha
Name authority Coville: Contr. U.S. Natl. Herb. 4: 134, plate 10. (1893)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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