Difference between revisions of "Blennosperma"
Syn. Gen. Compos., 267. 1832.
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|distribution=Calif.;South America (Chile). | |distribution=Calif.;South America (Chile). | ||
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|publication title=Syn. Gen. Compos., | |publication title=Syn. Gen. Compos., | ||
|publication year=1832 | |publication year=1832 | ||
|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/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_1440.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Blennosperma | |genus=Blennosperma | ||
Revision as of 19:26, 16 December 2019
Annuals, 3–12(–30) cm (taprooted). Stems usually 1, erect (usually branched ± throughout). Leaves (sometimes ± fleshy) basal and cauline; alternate; mostly sessile; blades pinnately nerved, linear (or pinnately divided into 2–15 linear lobes), ultimate margins entire, faces glabrous or sparsely floccose-tomentose. Heads radiate, borne singly. Involucres ± hemispheric, 3–6+ mm diam. Phyllaries persistent, 5–13+ in ± 2 series, ± erect (inflexed in late flowering, reflexed in fruit), basally connate, elliptic to ovate, subequal, ± membranous (veiny, tips usually purple). Receptacles flat to convex, smooth or foveolate, epaleate. Ray florets 5–13+, pistillate (sometimes, some pistillate florets lack corollas); corollas sessile (lacking tubes), usually yellow, rarely white (often purplish abaxially, laminae ovate to linear). Disc florets 20–60(–100+), functionally staminate; corollas yellow, tubes shorter to longer than campanulate throats; lobes 5, ± erect, deltate to lanceolate; styles not divided. Cypselae ± ellipsoid, usually 5–6(–10)-ribbed or -angled, usually papillate (papillae becoming mucilaginous when wetted); pappi 0. x = 9.
Distribution
Calif., South America (Chile).
Discussion
Species 3 (2 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Proximal leaves not lobed or 2–3(–5)-lobed; stigmas of ray florets red | Blennosperma bakeri |
| 1 | Proximal leaves usually 5–15-lobed, rarely entire; stigmas of ray florets yellow | Blennosperma nanum |