Flora of North America species comparison

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Euchiton involucratus

common creeping-cudweed, common-cudweed, star cottonleaf
Habit Biennials or perennials, 30–40 cm; fibrous-rooted; stolons usually absent [reportedly present in Australia and New Zealand].
Aerial stems

erect, simple, thinly and persistently white-tomentose.
Leaves

basal withering before flowering;

cauline 6–10, blades linear to linear-oblanceolate or linear-lanceolate, 3–8 cm × 2–3 mm (largest at midstem), bases subclasping (not ampliate), margins revolute, abaxial faces silvery, tomentose, adaxial faces green, glabrate (shiny).
Bracts

subtending heads 3–5, 10–15 mm, surpassing heads, plus some shorter.
Involucres

4–4.5 mm.
Pistillate florets

80–150.
Bisexual florets

3–5(–7).
Phyllaries

tawny or rosy-tinged (shiny), oblong, apices rounded to obtuse.
Heads

in hemispheric clusters 10–15 mm diam. (sometimes with axillary clusters).
Pappus

bristles distinct or basally coherent (falling in groups).

Euchiton involucratus
Phenology Flowering Jul–Oct.
Habitat Grassy open places, often moist or wet
Elevation 50–700 m (200–2300 ft)
Distribution
from FNA
CA; MA; Pacific Islands (New Zealand); Australia [Introduced in North America]
[BONAP county map]
Source FNA vol. 19, p. 441.
Parent taxa Asteraceae > tribe Gnaphalieae > Euchiton
Sibling taxa
E. gymnocephalus, E. sphaericus
Synonyms Gnaphalium involucratum
Name authority (G. Forster) Anderberg: Opera Bot. 104: 167. (1991)
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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