Stemodia lanata

Ruiz & Pavon ex Bentham in A. P. de Candolle and A. L. P. P. de Candolle

Prodr. 10: 383. 1846.

Common names: Woolly twintip
Treatment appears in FNA Volume 17. Treatment on page 280. Mentioned on page 279.

Stems prostrate or decumbent, 5–10 cm, densely white-tomentose. Leaves opposite; blade elliptic to obovate, 10–30 × 5–10 mm, base not auriculate or clasping, margins slightly serrate distally, slightly revolute, surfaces densely white-tomentose. Inflorescences axillary, flowers 1 or 2 per axil; bracts 0 mm. Pedicels 0 mm; bracteoles 1 or 2, 1–2 mm. Flowers: calyx lobes narrowly triangular, 2–3 (–5) mm; corolla blue-purple to lavender, 6–7 mm, glabrous or puberulent, lobes 1.5–2 × 1.5–2 mm; style 1–2 mm. Capsules 2–3 mm; style not persistent. Seeds ellipsoid, 0.2–0.5 mm.


Phenology: Flowering Apr–Jul.
Habitat: Sandy soils, woodland openings, disturbed sites.
Elevation: 0–200 m.

Distribution

Tex., Mexico (Tamaulipas), Mexico (Veracruz)

Discussion

Stemodia lanata is sometimes called S. tomentosa (Miller) Greenman & C. H. Thompson, a later homonym of S. tomentosa G. Don 1838.

Selected References

None.

Lower Taxa

None.
... more about "Stemodia lanata"
Kerry A. Barringer +
Ruiz & Pavon ex Bentham in A. P. de Candolle and A. L. P. P. de Candolle +
alternate +, opposite +, whorled +, helical +  and subopposite +
not auriculate +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
elliptic;obovate +
not leathery +  and not fleshy +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0 cm0 mm <br />0 m <br /> (?) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
tubular +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Woolly twintip +
blue-purple +  and lavender +
puberulent +  and glabrous +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Tex. +, Mexico (Tamaulipas) +  and Mexico (Veracruz) +
drupe-like +
0–200 m. +
curved +  and straight +
2 +  and 1 +
Sandy soils, woodland openings, disturbed sites. +
persistent +  and deciduous +
narrowly lanceolate;narrowly triangular +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
denticulate +  and serrate +
axile +  and parietal +
basal +, apical +  and superior +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
0 cm0 mm <br />0 m <br /> (?) +
5 +  and 4 +
Flowering Apr–Jul. +
minute +
light-brown +
ellipsoid +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
short-cylindric +
climbing +  and scrambling +
decumbent +  and prostrate +
ascending;erect +
white-tomentose +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
not persistent +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
white-tomentose +
Stemodia lanata +
Stemodia +
species +
gibbous +  and not spurred +
perennial +  and annual +