Linum vernale

Wooton

Bull. Torrey Bot. Club 25: 452. 1898.

Common names: Chihuahuan or red-eye flax
Treatment appears in FNA Volume 12. Treatment on page 388. Mentioned on page 379, 387.
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Herbs, annual, 10–50 cm, glabrous. Stems ascending to erect, branched at base and in inflorescence. Leaves alternate or proximal leaves opposite, divergent to ascending; stipular glands usually present, sometimes absent; blade linear, 8–17 × 0.5–1.3 mm, margins entire, with widely spaced glandular-hairs, apex acute. Inflorescences open panicles. Pedicels 2–12 mm. Flowers: sepals persistent, lanceolate to narrowly lanceolate, 4–7.5 mm, margins narrowly scarious or not, inner sepals abundantly glandular-toothed, outer sparsely toothed, apex narrowly acute; petals yellow-orange to salmon with maroon base, broadly obovate, 10–17 mm; stamens 4–8 mm; anthers 1–1.8 mm; staminodia absent; styles connate to within 0.2 mm of apex, 4–8 mm; stigmas capitate. Capsules ovoid, 3–4 × 2.5–3.2 mm, apex depressed, dehiscing completely into 5, 2-seeded segments (very easily crushed), segments persistent on plant, false septa incomplete, proximal margins terminating in loose fringe. Seeds 2–2.8 × 0.9–1.3 mm. 2n = 30.


Phenology: Flowering Mar–Sep.
Habitat: Limestone soils, bajadas, openings in scrublands and woodlands.
Elevation: 1200–2400 m.

Distribution

V12 785-distribution-map.jpg

N.Mex., Tex., Mexico (Chihuahua), Mexico (Coahuila)

Discussion

Corollas of Linum vernale are broadly bowl-shaped and yellow-orange to salmon with a maroon base. The filaments and styles are pale pink, and the stigmas are dark maroon. The pollen is bright yellow; on herbarium specimens, the anthers appear to be maroon.

Selected References

None.

Lower Taxa

None.

"wider" is not a number.

... more about "Linum vernale"
0.1 cm1 mm <br />0.001 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
depressed +  and acute +
Nancy R. Morin +
Wooton +
Linopsis +
0.8 cm8 mm <br />0.008 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
glandular-toothed +  and entire +
awl--shaped;spatulate;awl--shaped;spatulate;obovate;oblong;elliptic;oblanceolate;lanceolate;linear-oblanceolate;linear-lanceolate;linear +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
divided +
Chihuahuan or red-eye flax +
N.Mex. +, Tex. +, Mexico (Chihuahua) +  and Mexico (Coahuila) +
1200–2400 m. +
adnate +  and adherent +
spheric +
Limestone soils, bajadas, openings in scrublands and woodlands. +
glandular-toothed +
whorled +, opposite +  and alternate +
not +  and glandular-toothed +
not +  and scarious +
extrastaminal +
apical-axile +, axile +  and placentation +
not +  and articulated +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
convolute +  and imbricate +
adnate +  and adherent +
yellow-orange;salmon +
coherent +  and distinct +
obovate +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
Flowering Mar–Sep. +
multiporate +  and tricolpate +
divergent +, opposite +  and alternate +
Bull. Torrey Bot. Club +
mucilaginous +
0.2 cm2 mm <br />0.002 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
lenticular +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
persistent +
lanceolate +  and narrowly lanceolate +
unequal +
0.4 cm4 mm <br />0.004 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
ascending +  and erect +
ridged +  and terete +
clavate +, linear +  and capitate +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Mesyniopsis +
Linum vernale +
Linum sect. Linopsis +
species +
adnate +  and adherent +
18] +, [15 +  and 13 +