Sphaeromeria capitata
Trans. Amer. Philos. Soc., n. s. 7: 402. 1841.
Common names: Rock tansy
IllustratedEndemic
Synonyms: Tanacetum capitatum (Nuttall) Torrey & A. Gray
Perennials, 5–20 cm (cespitose, bases sometimes woody). Stems erect, ± tomentose. Leaves mostly basal; blades (± cuneate, 8–20 mm) usually 1–2-pinnati-palmately lobed (ultimate lobes ± linear), faces ± tomentose. Heads usually 8–20 in tight, capitate arrays (1–1.3 cm across), sometimes with solitary heads proximal to main arrays. Involucres (2–) 3–4 mm. Phyllaries 5–8, tomentose. Receptacles glabrous. Cypselae 1–2 mm (3–5-ribbed, apices with thickened rims, faces glabrous or sparsely gland-dotted).
Phenology: Flowering May–Jul.
Habitat: Dry, rocky hills
Elevation: 1500–2400 m
Distribution
Colo., Mont., Utah, Wyo.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Sphaeromeria capitata"
introrse +
connate +
truncate +
scarious +
ovate +
hirsute +
papillate +
absent +
capitate +
continuous +
decurrent +
lobed +
stigmatic +
absent +
Rock tansy +
bright-yellow +
absent +
lacking +
dimorphic +
1mm;2mm +
staminate +
straight +
gland-dotted;gland-dotted +
tomentose +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
disciform +
singly +
indeterminate +
proximal +
8;20 +
Present +
surrounding +
hemispheric;campanulate +
alternate +
basal +
deltate +
lobed +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
tomentose +
Trans. Amer. Philos. Soc., n. s. +
1841 +
absent +
epaleate +
glabrous +
conic;nearly flat +
fibrous +
exalbuminous +
modifed +
2;3 +
alternate +
branched +
gland-dotted +
erect +
tomentose +
2-branched +
glabrous +
papillate +
Sphaeromeria capitata +
Sphaeromeria +
species +
campanulate +
cylindric +
perennial +
subshrub +