Linum carteri

Small

Bull. New York Bot. Gard. 3: 424. 1905.

Common names: Carter's flax
EndemicConservation concern
Synonyms: Cathartolinum carteri (Small) Small
Treatment appears in FNA Volume 12. Treatment on page 393. Mentioned on page 379, 380, 394.

Herbs, annual or short-lived perennial, 23–60 cm, puberulent or ± scabrous on angles near base or throughout. Stems erect, usually unbranched below inflorescence, sometimes branched at base. Leaves alternate, spreading; stipular glands present or absent; blade linear, 15–30 × 0.6–1.4 mm, margins entire or distalmost glandular-toothed, not ciliate, apex long-attenuate. Inflorescences ascending or spreading cymes. Pedicels 4.5–9 mm. Flowers: sepals deciduous, lanceolate, inner sepals slightly shorter than outer, outer ones 4.5–7 mm, margins of inner sepals narrowly scarious, all glandular-toothed, apex short-awned; petals orange-yellow, broadly obovate, 10–17 mm; stamens 4.5–7 mm; anthers 0.8–2.3 mm; staminodia absent; styles connate nearly to apex, 4–6 mm; stigmas capitate. Capsules ovoid, 4–5 × 3.4–3.7 mm, thick textured, apex obtuse, dehiscing into 5, 2-seeded segments, segments persistent on plant, false septa complete, proximal part membranaceous, not terminating in loose fringe, distal part cartilaginous, margins ciliate. Seeds 2.3–2.8 × 1–1.3 mm. 2n = 60.

Discussion

Varieties 2 (2 in the flora).

The stems of Linum carteri are ribbed. The corollas are broadly bowl-shaped and all parts of the flower are yellow except the bright green stigmas.

Selected References

None.

Key

1 Plants 23–30 cm; stems puberulent or scabrous on angles throughout; stipular glands usually present. Linum carteri var. carteri
1 Plants 30–60 cm; stems sparsely puberulent or scabrous on angles only at base of plant; stipular glands usually absent. Linum carteri var. smallii

No values specified."wider" is not a number.

... more about "Linum carteri"
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
obtuse +  and long-attenuate +
Nancy R. Morin +
Linopsis +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
glandular-toothed +  and entire +
awl--shaped;spatulate;awl--shaped;spatulate;obovate;oblong;elliptic;oblanceolate;lanceolate;linear-oblanceolate;linear-lanceolate;linear +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
divided +
Carter's flax +
glandular-toothed +
adnate +  and adherent +
spheric +
spreading +  and ascending +
glandular-toothed +
extrastaminal +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
apical-axile +, axile +  and placentation +
not +  and articulated +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
convolute +  and imbricate +
adnate +  and adherent +
orange-yellow +
coherent +  and distinct +
obovate +
1 cm10 mm <br />0.01 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
multiporate +  and tricolpate +
Bull. New York Bot. Gard. +
mucilaginous +
0.23 cm2.3 mm <br />0.0023 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
lenticular +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
deciduous +
lanceolate +
unequal +
Endemic +  and Conservation concern +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
branched +  and unbranched +
ridged +  and terete +
clavate +, linear +  and capitate +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Cathartolinum carteri +
Linum carteri +
Linum sect. Linopsis +
species +
adnate +  and adherent +
perennial +, short-lived +  and annual +
scabrous +  and puberulent +
18] +, [15 +  and 13 +