Difference between revisions of "Blepharipappus"
Fl. Bor.-Amer. 1: 316. 1833.
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|distribution=nw North America. | |distribution=nw North America. | ||
|discussion=<p>Species 1.</p><!-- | |discussion=<p>Species 1.</p><!-- | ||
| − | --><p>Blepharipappus and members of Layia were once treated as congeneric; Layia appears to be more closely related to Lagophylla than to Blepharipappus, based on molecular phylogenetic data (S. Carlquist et al. 2003).</p> | + | --><p><i>Blepharipappus</i> and members of <i>Layia</i> were once treated as congeneric; <i>Layia</i> appears to be more closely related to <i>Lagophylla</i> than to <i>Blepharipappus</i>, based on molecular phylogenetic data (S. Carlquist et al. 2003).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1833 | |publication year=1833 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_637.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | ||
Revision as of 15:36, 18 September 2019
Annuals, 5–20(–40+) cm. Stems ± erect (scabrous and, sometimes, hirsute, usually stipitate-glandular distally). Leaves mostly cauline; proximal opposite, most alternate; sessile; blades narrowly spatulate to linear, margins entire, faces scabrous, hirsute, strigose, sericeous, or villous (distal leaves usually stipitate-glandular as well). Heads radiate, borne singly or in open, corymbiform arrays. Peduncular bracts: pit-glands, tack-glands, and/or spines 0 at tips. Involucres turbinate to campanulate or hemispheric, 3–6+ mm diam. Phyllaries (2–)3–5(–8) in 1 series, ± lanceolate or oblanceolate, herbaceous, each ± 1/2 investing subtended floret proximally, abaxially ± hirsute and/or stipitate-glandular. Receptacles convex, glabrous, paleate (paleae falling, subtending all or most disc florets, outer herbaceous, inner scarious). Ray florets (2–)3–5(–8), pistillate, fertile; corollas whitish (nerved with purple abaxially). Disc florets 6–25(–60+), bisexual, fertile; corollas whitish, tubes shorter than or about equaling funnelform throats, lobes 5, deltate (anthers ± dark purple; styles ± hairy proximal to branches, branches ca. 0.2 mm). Cypselae ± obconic or terete (basal attachments ± central, faces ± villous, apices not beaked); pappi 0 or of 12–18(–26) subulate fimbriate to ciliate or plumose scales. x = 8.
Distribution
nw North America.
Discussion
Species 1.
Blepharipappus and members of Layia were once treated as congeneric; Layia appears to be more closely related to Lagophylla than to Blepharipappus, based on molecular phylogenetic data (S. Carlquist et al. 2003).
Selected References
None.