Difference between revisions of "Holocarpha virgata"
Aliso 4: 111. 1958.
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|distribution=Calif. | |distribution=Calif. | ||
|discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | |discussion=<p>Subspecies 2 (2 in the flora).</p><!-- | ||
| − | --><p>Holocarpha virgata occurs widely in the Great Valley and bordering foothills of the Coast Ranges and Sierra Nevada in northern and central California (subsp. virgata); it is disjunct in southwestern California (e.g., subsp. elongata near San Diego). Different populations are often intersterile and distinguished by chromosomal rearrangements.</p> | + | --><p><i>Holocarpha virgata</i> occurs widely in the Great Valley and bordering foothills of the Coast Ranges and Sierra <i>Nevada</i> in northern and central California (<i></i>subsp.<i> virgata</i>); it is disjunct in southwestern California (e.g., <i></i>subsp.<i> elongata</i> near San Diego). Different populations are often intersterile and distinguished by chromosomal rearrangements.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1958 | |publication year=1958 | ||
|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_707.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Madiinae | ||
Revision as of 16:36, 18 September 2019
Plants 20–120 cm.; stems usually notably stipitate-glandular, rarely merely ± resinous distally. Heads borne singly (at ends of branches) or in ± racemiform to spiciform arrays. Involucres ± obconic to campanulate. Phyllaries each bearing 5–20 gland-tipped processes and glabrous or minutely sessile- or stipitate-glandular. Ray florets 3–7. Disc florets 9–25; anthers reddish to dark purple. 2n = 8.
Discussion
Subspecies 2 (2 in the flora).
Holocarpha virgata occurs widely in the Great Valley and bordering foothills of the Coast Ranges and Sierra Nevada in northern and central California (subsp. virgata); it is disjunct in southwestern California (e.g., subsp. elongata near San Diego). Different populations are often intersterile and distinguished by chromosomal rearrangements.
Selected References
None.
Key
| 1 | Stem branches ± gracile, ± pliable; peduncles 0–5(–15) cm | Holocarpha virgata subsp. elongata |
| 1 | Stem branches ± virgate, ± rigid; peduncles 0–5+cm | Holocarpha virgata subsp. virgata |