Euchiton Collinus
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''Euchiton collinus'', the creeping cudweed, is a herb native to
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and
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. It has become naturalized in a few places in the United States (
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,
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).Flora of North America, ''Euchiton gymnocephalus'' (de Candolle) Holub, 1974. Creeping-cudweed
/ref>Calflora taxon report, University of California, ''Euchiton gymnocephalus'' (DC.) Anderb., creeping cudweed
/ref> ''Euchiton collinus'' is a biennial or perennial herb up to tall, spreading by means of
stolons In biology, stolons (from Latin '' stolō'', genitive ''stolōnis'' – "branch"), also known as runners, are horizontal connections between organisms. They may be part of the organism, or of its skeleton; typically, animal stolons are external s ...
and
rhizomes In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...
. Leaves form a basal rosette surrounding the base of the stem and also individually farther up the stem. The plant produces a
flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...
in a hemispheric cluster across. Each head has 40-60
pistillate Gynoecium (; ) is most commonly used as a collective term for the parts of a flower that produce ovules and ultimately develop into the fruit and seeds. The gynoecium is the innermost whorl of a flower; it consists of (one or more) ''pistils'' ...
flowers around the edge of the head plus 3-5
bisexual Bisexuality is a romantic or sexual attraction or behavior toward both males and females, or to more than one gender. It may also be defined to include romantic or sexual attraction to people regardless of their sex or gender identity, whi ...
florets toward the center.


References

{{Taxonbar, from=Q15595741 Gnaphalieae Flora of Australia Plants described in 1806