Difference between revisions of "Cirsium fontinale"
Fl. W. Calif., 505. 1901.
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|common_names=Fountain thistle | |common_names=Fountain thistle | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
| + | }} | ||
|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
|name=Cnicus fontinalis | |name=Cnicus fontinalis | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
|publication_title=Bull. Calif. Acad. Sci. | |publication_title=Bull. Calif. Acad. Sci. | ||
|publication_place=2: 151. 1886 | |publication_place=2: 151. 1886 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Cirsium fontinale | name=Cirsium fontinale | ||
| − | |||
|authority=(Greene) Jepson | |authority=(Greene) Jepson | ||
|rank=species | |rank=species | ||
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|publication title=Fl. W. Calif., | |publication title=Fl. W. Calif., | ||
|publication year=1901 | |publication year=1901 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_163.xml |
|tribe=Asteraceae tribe Cardueae | |tribe=Asteraceae tribe Cardueae | ||
|genus=Cirsium | |genus=Cirsium | ||
Latest revision as of 20:48, 5 November 2020
Monocarpic perennials, 50–220 cm; woody tap-rooted caudices with numerous coarse, fibrous lateral roots, sometimes forming new rosettes from root sprouts. Stems 1–several, erect, loosely arachnoid-tomentose, glandular-pilose; branches several to many, spreading. Leaves: blades oblanceolate to oblong or elliptic, 20–70 × 5–16 cm, strongly undulate, shallowly to deeply pinnatifid, lobes coarsely toothed or with triangular secondary lobes, main spines 3–15 mm, abaxial faces more densely tomentose, adaxial densely glandular with short, multicellular trichomes and ± tomentose with fine, arachnoid, non-septate trichomes; basal often present at flowering, petiolate; principal cauline well distributed, becoming sessile, gradually reduced distally, bases auriculate-decurrent with broad, spiny-margined wings 3 cm or less; distal cauline leaves progressively reduced, ± bractlike. Heads few–many, ± nodding, in paniculiform or corymbiform arrays, bracts leafy or much reduced. Peduncles 0–7 cm. Involucres (green to purple), hemispheric or campanulate, 1.5–3 × 2–5 cm, glabrous or puberulent. Phyllaries in 6–10 series, imbricate, ovate to lanceolate, abaxial faces without glutinous ridge; outer and mid bases appressed, short, bodies entire to erose or ciliolate (rarely outer spine-margined), apices spreading to recurved or reflexed, long, dilated, adaxially puberulent, spines 1–6 mm; apices of inner erect or reflexed, flattened or tipped with short spines. Corollas white to pinkish or lavender, 14.5–22 mm, tubes 5–8 mm, throats 4.5–9 mm, lobes 3–8 mm; style tips 2.5–4.5 mm. Cypselae brownish, 3.4–5 mm, apical collars tan; pappi 12–15 mm.
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
| 1 | Cypselae 4.1–5 mm; phyllary spines 1–2 mm | Cirsium fontinale var. fontinale |
| 1 | Cypselae 3.4–4.1 mm; phyllary spines 2–6 mm | > 2 |
| 2 | Longer spines of cauline leaves 10–18 mm; most phyllaries without marginal spines | Cirsium fontinale var. campylon |
| 2 | Longer spines of cauline leaves 4–7 mm; many outer phyllaries with marginal spines | Cirsium fontinale var. obispoense |