Chrysactinia mexicana
Mem. Amer. Acad. Arts, n. s. 4: 93. 1849.
Illustrated
Treatment appears in FNA Volume 21. Treatment on page 232.
Plants twiggy. Leaf-blades 5–10 (–23) × 1–2 mm. Peduncles 15–75 mm (heads usually held well beyond foliage). Ray laminae 6–12 × 2–4 mm. Disc corollas 4.5–7 mm. Cypselae 3–4 mm; pappi 3–5.5 mm. 2n = 45.
Phenology: Flowering spring–fall.
Habitat: Mostly on limestone and derived soils
Elevation: 200–2200+ m
Distribution
N.Mex., Tex., Mexico
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Chrysactinia mexicana"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
simple +
linear;clavate or acerose +
winged;ribbed;winged;ribbed +
1;22 +
stigmatic +
30;40 +
absent +
zygomorphic +
monomorphic +
dimorphic +
3mm;4mm +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
cylindric +
singly +
singly +
indeterminate +
Present +
surrounding +
turbinate;hemispheric +
1mm;2mm +
alternate +
cauline +
lance-deltate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
coroniform +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Mem. Amer. Acad. Arts, n. s. +
1849 +
pistillate +
absent +
fertile +
paleate +
pitted +
convex;hemispheric +
fibrous +
exalbuminous +
modifed +
1;2 +
Illustrated +
alternate +
branched +
erect +
2-branched +
papillate +
Chrysactinia mexicana +
Chrysactinia +
species +
cylindric +
much shorter +
much longer +
twiggy +