Difference between revisions of "Guardiola"
in A. von Humboldt and A. J. Bonpland, Pl. Aequinoct. 1: 143, plate 41. 1807.
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|accepted_name=Guardiola | |accepted_name=Guardiola | ||
| − | |accepted_authority=Cervantes ex | + | |accepted_authority=Cervantes ex Bonpland |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=in A. von Humboldt and A. J. Bonpland, Pl. Aequinoct. | |title=in A. von Humboldt and A. J. Bonpland, Pl. Aequinoct. | ||
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name=Guardiola | name=Guardiola | ||
|author=John L. Strother | |author=John L. Strother | ||
| − | |authority=Cervantes ex | + | |authority=Cervantes ex Bonpland |
|rank=genus | |rank=genus | ||
|parent rank=subtribe | |parent rank=subtribe | ||
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|publication year=1807 | |publication year=1807 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V21_83.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Guardiolinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Guardiolinae | ||
Latest revision as of 20:14, 5 November 2020
Perennials or subshrubs, (10–)30–100 cm. Stems mostly erect, branched. Leaves cauline; opposite; ± petiolate; blades deltate or rounded-deltate to ovate [lanceolate to linear], margins usually dentate, faces glabrous or glabrate. Heads radiate, in corymbiform arrays [borne singly]. Involucres narrowly cylindric [campanulate], 2–3[–6] mm diam. Phyllaries persistent, 3–5 in 1 series (distinct, oblong or lanceolate to linear, herbaceous, conduplicate, streaked with 8–12+ translucent nerves, margins often membranous). Receptacles convex, paleate (paleae similar to phyllaries, membranous, each enfolding a floret). Ray florets 1–5, pistillate, fertile; corollas whitish (tubes often longer than laminae). Disc florets 3–20+, functionally staminate; corollas whitish, tubes longer than abruptly ampliate, campanulate to funnelform throats, lobes 5, lanceolate to lance-linear (filaments hairy; anthers green). Cypselae ± ellipsoid [fusiform to clavate], ± obcompressed, smooth or fine-ribbed, glabrous (bases carunculate); pappi 0 [5–6, erose scales]. x = 12.
Distribution
sw United States, Mexico.
Discussion
Species ca. 10 (1 in the flora).
Selected References
None.