Stillingia linearifolia

S. Watson

Proc. Amer. Acad. Arts 14: 297. 1879.

Common names: Queen's-root
Treatment appears in FNA Volume 12. Treatment on page 235. Mentioned on page 234, 237.

Herbs, perennial, with woody taproot. Stems fascicled, erect, branching throughout, 1.5–6 (–9) dm. Leaves alternate; stipules linear-lanceolate, 0.5–1 mm; petiole absent; blade linear, (1–) 2–3 (–3.5) × 0.1–0.2 (–0.3) cm, base acute, margins entire or remotely minutely denticulate, teeth without prominent blackened tips, not incurved, apex acute; venation not prominent. Inflorescences sessile or short-pedunculate, (1.5–) 2–4.5 (–7) cm, staminate flowers widely spaced, 1 per node; pistillate flowers 3–7, widely spaced; bracts deltate to broadly ovate, to 2 mm, apex acuminate, glands cyathiform, long-stalked, to 1 mm diam. Staminate flowers: calyx to 1 mm. Pistillate flowers: sepals 0; styles connate only at base, 1.5–-2 mm. Capsules globose-ovoid, 2–2.5 × 3–3.5 mm, deeply 3-lobed; lobes of gynobase 1–1.5 mm; columella sometimes persistent. Seeds gray or gray-brown, globose, 2–2.5 × 1.5 mm, smooth; caruncle absent. 2n = 22.


Phenology: Flowering Jan–Apr; fruiting Feb–Jun.
Habitat: Washes, deserts, dry soils.
Elevation: 0–1500 m.

Distribution

Ariz., Calif., Nev., Mexico (Baja California), Mexico (Sonora)

Discussion

Selected References

None.

Lower Taxa

None.

"connate" is not a number. "distinct" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Stillingia linearifolia"
not prominent +
acuminate;acute +
Michael J. Huft +
S. Watson +
3 cm30 mm <br />0.03 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3 cm30 mm <br />0.03 m <br />) +
unlobed +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
deltate +  and broadly ovate +
0 cm0 mm <br />0 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
0 cm0 mm <br />0 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
3-lobed +  and globose-ovoid +
0.3 cm3 mm <br />0.003 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Queen's-root +
Ariz. +, Calif. +, Nev. +, Mexico (Baja California) +  and Mexico (Sonora) +
0–1500 m. +
pistillate +  and staminate +
long-stalked +
0 cm0 mm <br />0 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
subtending +
cyathiform +
[2-]3-lobed +
Washes, deserts, dry soils. +
short-pedunculate +  and sessile +
4.5 cm45 mm <br />0.045 m <br /> (7 cm70 mm <br />0.07 m <br />) +
leaf-opposed +, terminal +  and axillary +
2 cm20 mm <br />0.02 m <br /> (4.5 cm45 mm <br />0.045 m <br />) +
deciduous +
palmate +  and pinnate +
spinulose-dentate +, serrulate +, dentate +  and entire +
denticulate +  and entire +
connate;distinct +
Flowering Jan–Apr +  and fruiting Feb–Jun. +
[2-]3-carpellate +
Proc. Amer. Acad. Arts +
gray-brown;gray +
0.2 cm2 mm <br />0.002 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
globose +
1.5 cm15 mm <br />0.015 m <br /> (?) +
distinct +  and connate +
linear-lanceolate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
multifid +  and 2-fid +
0.15 cm1.5 mm <br />0.0015 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
Stillingia linearifolia +
Stillingia +
species +
spikelike +
blackened +
prominent +
not incurved +