Eupatorium mikanioides
Fl. South. U.S., 195. 1860.
Common names: Semaphore thoroughwort
Endemic
Perennials, 50–100+ cm. Stems (from short rhizomes, green) single, branched distally, puberulent throughout. Leaves opposite (± vertical); petiolate (petioles 10–30 mm); blades ± 3-nerved distal to bases, deltate to rhombic, 25–80 × 20–60 mm, bases broadly cuneate, margins usually serrate (teeth uneven), sometimes crenate, apices acute, faces glabrate to sparsely puberulent, glanddotted. Heads in corymbiform arrays. Phyllaries 8–12 in 2–3 series, elliptic to oblong, 1.5–5 × 0.8–1 mm, apices acute to acuminate, abaxial faces puberulent, glanddotted. Florets 5; corollas 3.5–4 mm. Cypselae 1.2–1.5 mm; pappi of 20–35 bristles 3.5–4.5 mm. 2n = 20.
Phenology: Flowering Jul–Sep.
Habitat: Moist or wet, low, often saline places
Elevation: 0–10+ m
Discussion
Selected References
None.
Lower Taxa
None.
"fine" is not a number.
... more about "Eupatorium mikanioides"
puberulent +
introrse +
connate +
acute;acuminate +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
puberulent +
cuneate +
3-nerved +
distal +
deltate;rhombic +
(4-)5-angled;10-ribbed +
filiform +
stigmatic +
barbellulate +
20;35 +
coarse +
absent +
Semaphore thoroughwort +
not 2-lipped +
monomorphic +
5-ribbed +
glabrous +
prismatic +
1.2mm;1.5mm +
Fla. +
straight +
distinct +
proximal +
bisexual +
dispersed +
singly +
discoid +
indeterminate +
homogamous +
surrounding +
obconic;ellipsoid +
petiolate +
opposite +
cauline +
triangular +
serrate +
crenate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
tough +
thick +
connate +
persistent +
distinct +
unequal +
equal +
Fl. South. U.S., +
1860 +
absent +
epaleate +
convex;flat +
fibrous +
exalbuminous +
modifed +
2;3 +
Endemic +
alternate +
branched +
erect +
proximal +
puberulent +
single +
2-branched +
hirsutulous +
papillate +
Eupatorium mikanioides +
Eupatorium +
species +
campanulate +
perennial +