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Plants 30–150 cm. Heads (50–) 100–400+. Phyllaries: outer 4, basally connate 1/2–2/3 their lengths, 4–5 mm, apices obtuse to acute; inner 4, 3.2–4.5 mm, apices acuminate to mucronate. Ray-florets 4; corollas 4–5.5 × 2.3–4 mm. Disc-florets 7–11. Cypselae 2.5–3 mm, hairs straight to slightly wavy; pappi usually of 3–6 scales 1.2–2.5 mm, sometimes 0 on disc-florets. 2n = 30.
Phenology: Flowering Jun–Nov.
Habitat: Oak-juniper woodlands
Elevation: 1300–2200 m
Discussion
Of conservation concern.
Variety ambigens is known from the Mescal, Pinaleno, and Santa Teresa mountains.
Selected References
None.
Lower Taxa
None.
... more about "Hymenoxys ambigens var. ambigens"
introrse +
connate +
herbaceous +
inner +
acuminate;mucronate +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
simple +
lobed +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
35;150 +
absent +
zygomorphic +
yellow +
monomorphic +
dimorphic +
obconic +
2.5mm;3mm +
staminate +
staminate +
Ariz. +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
corymbiform +
singly +
straight +
wavy +
indeterminate +
100;400 +
surrounding +
campanulate;narrowly campanulate +
alternate +
deltate +
connate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Sida +
1994 +
pistillate +
absent +
fertile +
epaleate +
conic;ovoid;conic;ovoid;hemispheric +
fibrous +
absent +
lanceolate +
exalbuminous +
modifed +
subequal;unequal +
alternate +
branched +
purple-red-tinted +
erect +
2-branched +
papillate +
Hymenoxys ambigens var. ambigens +
Hymenoxys ambigens +
variety +
shorter +
dilated +
equaling +
perennial +