Difference between revisions of "Chaenactis glabriuscula var. lanosa"

(de Candolle) H. M. Hall

Univ. Calif. Publ. Bot. 3: 192. 1907.

Common names: Sand buttons South Coast Ranges pincushion
Basionym: Chaenactis lanosa de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 659. 1836
Synonyms: Chaenactis glabriuscula var. denudata (Nuttall) Munz
Treatment appears in FNA Volume 21. Treatment on page 412. Mentioned on page 411, 413.
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|name=Chaenactis lanosa
 
|name=Chaenactis lanosa
 
|authority=de Candolle
 
|authority=de Candolle
 +
|rank=species
 
|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_place=5: 659. 1836
 
|publication_place=5: 659. 1836
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|name=Chaenactis glabriuscula var. denudata
 
|name=Chaenactis glabriuscula var. denudata
 
|authority=(Nuttall) Munz
 
|authority=(Nuttall) Munz
 +
|rank=variety
 
}}
 
}}
 
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Chaenactis;Chaenactis sect. Chaenactis;Chaenactis glabriuscula;Chaenactis glabriuscula var. lanosa
 
|hierarchy=Asteraceae;Asteraceae tribe Heliantheae;Asteraceae (tribe Heliantheae) subtribe Chaenactidinae;Chaenactis;Chaenactis sect. Chaenactis;Chaenactis glabriuscula;Chaenactis glabriuscula var. lanosa
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|elevation=10–700(–1400) m
 
|elevation=10–700(–1400) m
 
|distribution=Calif.
 
|distribution=Calif.
|discussion=<p>Variety lanosa is known mainly from the Coast Ranges of central California. Most (but not all) specimens from farther south (Pacific coast and Santa <i>Rosa</i> Island) and southeast (Transverse Ranges to Sonoran Desert edges) are intermediate with vars. megacephala or glabriuscula; these are sometimes recognized as <i></i></i>var.<i><i> denudata</i>. Northward, intermediates with <i></i></i>var.<i><i> heterocarpha</i> are known.</p>
+
|discussion=<p>Variety lanosa is known mainly from the Coast Ranges of central California. Most (but not all) specimens from farther south (Pacific coast and Santa <i>Rosa</i> Island) and southeast (Transverse Ranges to Sonoran Desert edges) are intermediate with vars. megacephala or glabriuscula; these are sometimes recognized as <i></i>var.<i> denudata</i>. Northward, intermediates with <i></i>var.<i> heterocarpha</i> are known.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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-->{{#Taxon:
 
-->{{#Taxon:
 
name=Chaenactis glabriuscula var. lanosa
 
name=Chaenactis glabriuscula var. lanosa
|author=
 
 
|authority=(de Candolle) H. M. Hall
 
|authority=(de Candolle) H. M. Hall
 
|rank=variety
 
|rank=variety
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|publication year=1907
 
|publication year=1907
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V21_1034.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V21_1034.xml
 
|tribe=Asteraceae tribe Heliantheae
 
|tribe=Asteraceae tribe Heliantheae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae
 
|subtribe=Asteraceae (tribe Heliantheae) subtribe Chaenactidinae

Revision as of 19:32, 16 December 2019

Plants 8–15(–35) cm; proximal indument whitish, ± densely lanuginose. Stems mostly 1–12, decumbent to erect; branches none or strictly proximal. Leaves ± basal (persistent), 2–10 cm; largest blades ± plane or terete, scarcely succulent, 0–1-pinnately lobed; lobes 1–2(–5) pairs, remote, ± plane to terete. Heads 1(–3) per stem. Peduncles 8–20(–30) cm. Involucres ± hemispheric to obconic. Phyllaries: longest 6–8 × 1–2 mm; outer ± densely lanuginose in fruit. Florets: inner corollas 5–6.5 mm. Cypselae 4–6 mm; pappi of 4 scales in 1 series, longest scales mostly 4–6 mm, lengths 0.8–0.9(–1) times corollas. 2n = 12.


Phenology: Flowering Mar–June.
Habitat: Deep loose sand (typical forms, intermediate forms also in habitats of other vars.), openings in chaparral
Elevation: 10–700(–1400) m

Discussion

Variety lanosa is known mainly from the Coast Ranges of central California. Most (but not all) specimens from farther south (Pacific coast and Santa Rosa Island) and southeast (Transverse Ranges to Sonoran Desert edges) are intermediate with vars. megacephala or glabriuscula; these are sometimes recognized as var. denudata. Northward, intermediates with var. heterocarpha are known.

Selected References

None.

Lower Taxa

None.
James D. Morefield +
(de Candolle) H. M. Hall +
Chaenactis lanosa +
Sand buttons +  and South Coast Ranges pincushion +
10–700(–1400) m +
Deep loose sand (typical forms, intermediate forms also in habitats of other vars.), openings in chaparral +
Flowering Mar–June. +
Univ. Calif. Publ. Bot. +
Chaenactis glabriuscula var. denudata +
Chaenactis glabriuscula var. lanosa +
Chaenactis glabriuscula +
variety +