Montia howellii

S. Watson

Proc. Amer. Acad. Arts 18: 191. 1883.

Common names: Howell’s montia
Endemic
Synonyms: Claytonia howellii (S. Watson) Piper Maxia howellii (S. Watson) Ö. Nilsson Montiastrum howellii (S. Watson) Rydberg
Treatment appears in FNA Volume 4. Mentioned on page 488.

Plants annual, not rhizomatous, stoloniferous, or bulbiferous. Stems decumbent, freely branching or simple, 1–10 cm, often rooting at nodes, forming small, loose mats. Leaves alternate, not distinctly petiolate, with clasping leaf-sheaths; blade linear, 5–25 × 1–2 mm. Inflorescences axillary, 1-bracteate; bract minute, scarious. Flowers 2–8; sepals 1–2 mm; petals 2–5, often absent, white, 0.7–1.5 mm; stamens (2–) 3 (–5), anther pink. Seeds 0.5–1 mm, tuberculate; elaiosome minute, shorter than 0.5 mm.


Phenology: Flowering spring.
Habitat: Moist woods
Elevation: 0-500 m

Distribution

V4 990-distribution-map.gif

B.C., Calif., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Montia howellii"
sessile +  and petiolate +
John M. Miller +
S. Watson +
0.5 cm5 mm <br />0.005 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
occasionally dentate;crisped +
oblanceolate +  and rhombic ovate or suborbiculate +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
not articulate +  and secund +
opposite +  and alternate +
Howell’s montia +
B.C. +, Calif. +, Oreg. +  and Wash. +
0.5 cm5 mm <br />0.005 m <br /> (?) +
0-500 m +
2 +  and 8 +
Moist woods +
basal +  and cauline +
small +
plurilocular +
linear-oblong +  and globose +
distinct +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Flowering spring. +
Proc. Amer. Acad. Arts +
1 +  and 3 +
tuberculate +
rounded +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
persistent +
unequal +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
rooting +, simple +  and branching +
erect +  and decumbent +
1 cm10 mm <br />0.01 m <br /> (10 cm100 mm <br />0.1 m <br />) +
Claytonia howellii +, Maxia howellii +  and Montiastrum howellii +
Montia howellii +
species +
not deciduous +
bulbiferous +, stoloniferous +  and not rhizomatous +
11 +, 10 +, 8 +  and 7 +