Tetraneuris linearifolia var. linearifolia
Synonyms: Tetraneuris linearifolia subsp. dodgei Cockerell Tetraneuris linearifolia var. latior Tetraneuris oblongifolia
Plants 16–40+ cm. Stems 1 (–6), erect, branched distally. Leaves ± hairy, sparsely to densely glanddotted; basal blades spatulate to oblanceolate, entire or with 2 (–6) teeth or lobes; proximal cauline blades narrowly spatulate to linear-oblanceolate, entire or with 1–2 teeth or lobes; mid-blades linear-oblanceolate to linear, (0.9–) 1.4–3 (–4.8) mm wide. Peduncles (8–) 9–14 (–19) cm, ± hairy. Involucres (5–) 6–7.8 (–9) × (7–) 8–11 (–12) mm. Outer phyllaries 8–16, margins often scarious, abaxial faces ± hairy. Ray-florets 9–20. Cypselae 1.5–2.1 (–2.5) mm; pappi of 4–7 aristate scales 1.2–1.9 (–2.5) mm. 2n = 28, 30.
Phenology: Flowering (Jan–)Apr–Jul(–Dec).
Habitat: Roadsides, hillsides, pastures, open areas, edges of woods
Elevation: 30–2700 m
Distribution
Kans., N.Mex., Okla., Tex., Mexico (Coahuila), Mexico (Nuevo León), Mexico (Tamaulipas)
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Tetraneuris linearifolia var. linearifolia"
hairy +
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
corymbiform +
fastigiate +
continuous +
decurrent +
lobed;mostly oblanceolate;linear or filiform +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
35;150 +
absent +
zygomorphic +
yellow +
monomorphic +
dimorphic +
hairy +
obpyramidal +
1.5mm;2.1mm +
staminate +
staminate +
narrowly oblanceolate;linear-oblanceolate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
corymbiform +
singly +
indeterminate +
8;50 +
surrounding +
hemispheric;campanulate +
alternate +
hairy +
deltate +
scarious +
linear-oblanceolate;linear +
1.4mm;3mm +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
hairy +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Pittonia +
1898 +
pistillate +
absent +
fertile +
epaleate +
pitted +
hemispheric;conic +
fibrous +
absent +
aristate +
exalbuminous +
modifed +
alternate +
branched +
erect +
2-branched +
papillate +
Tetraneuris linearifolia var. linearifolia +
Tetraneuris linearifolia +
variety +
shorter +
dilated +
equaling +
toothed +
annual +