Difference between revisions of "Pyrrocoma lucida"
Phytologia 71: 60. 1991.
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|common_names=Sticky goldenweed | |common_names=Sticky goldenweed | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Haplopappus racemosus subsp. lucidus | |name=Haplopappus racemosus subsp. lucidus | ||
|authority=D. D. Keck | |authority=D. D. Keck | ||
| + | |publication_title=Madroño | ||
| + | |publication_place=5: 167. 1940 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1991 | |publication year=1991 | ||
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_969.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Pyrrocoma | |genus=Pyrrocoma | ||
Revision as of 18:45, 24 September 2019
Plants 20–75 cm. Stems 1–5, erect, glabrous, gland-dotted, resinous. Leaves: basal petiolate, blades lanceolate or oblanceolate, 50–250 × 7–30 mm, margins sharply serrate, ciliate, apices acute; cauline sessile, blades lanceolate, 30–100 × 5–15 mm; faces glabrous, gland-dotted. Heads 12–30 in crowded, glomerate, spiciform arrays. Peduncles 0–1 cm. Involucres campanulate, 9–14 × 6–13 mm. Phyllaries in 2–3 series, loose, linear or lanceolate, 7–13 mm, unequal, bases chartaceous, margins entire, eciliate, apices green, acute to acuminate or caudate, faces glabrous, gland-dotted. Ray florets 12–20; corollas 7–13 mm. Disc florets 25–40; corollas 6–10 mm. Cypselae subcylindric, 2.5–4 mm, 4-angled, faces striate, silky; pappi tawny to brownish, 5–7.5 mm. 2n = 24.
Phenology: Flowering Jul–Sep.
Habitat: Alkaline grassy flats, sagebrush scrub, openings in pine forests
Elevation: 700–1600 m
Discussion
Pyrrocoma lucida is recognized by its gland-dotted, resinous herbage, small heads in glomerate-spiciform arrays, and acuminate-caudate phyllaries. This tetraploid species appears to be closely related to P. racemosa (R. A. Mayes 1976).
Selected References
None.