Difference between revisions of "Lasianthaea"
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 607. 1836.
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|discussion=<p>Species 11 (1 in the flora).</p> | |discussion=<p>Species 11 (1 in the flora).</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=becker1979a | ||
| + | |text=Becker, K. M. 1979. Monograph of the genus Lasianthaea (Asteraceae). Mem. New York Bot. Gard. 31(2): 1–64. | ||
| + | }} | ||
}}<!-- | }}<!-- | ||
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|family=Asteraceae | |family=Asteraceae | ||
|distribution=sw United States;Mexico. | |distribution=sw United States;Mexico. | ||
| − | |reference= | + | |reference=becker1979a |
|publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | |publication title=in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. | ||
|publication year=1836 | |publication year=1836 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V21_327.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Revision as of 21:36, 16 December 2019
Perennials [shrubs], 10–60+ [–700] cm (rootstocks bearing tubers). Stems erect, branched ± throughout. Leaves cauline; opposite; petiolate; blades (usually 3-nerved) rounded-deltate to ovate or lance-ovate [lanceolate], bases cuneate to rounded or truncate, margins serrate, faces ± scabrous. Heads radiate, borne singly [in corymbiform arrays]. Involucres hemispheric [obconic], [4–]10–14[–25+] mm diam. Phyllaries persistent, 12–20 in 2–5 series (ovate to lanceolate, subequal or outer shorter [longer], herbaceous to papery). Receptacles convex, paleate (paleae membranous to indurate, conduplicate, apices acute [erose]). Ray florets [4–]11–14[30], pistillate, fertile; corollas yellow to orange [purplish]. Disc florets 20–100+[–200+], bisexual, fertile; corollas yellow to orange [purplish], tubes about equaling ampliate, cylindric throats, lobes 5, deltate. Cypselae 3-angled (ray) or strongly compressed or flattened (all with sharp edges, not truly winged); pappi persistent, of 2(–3) subulate scales or awns (continuous with margins of cypselae) plus 0–4 shorter scales. x = 10, 11?
Distribution
sw United States, Mexico.
Discussion
Species 11 (1 in the flora).