Callitriche fassettii
Acta Bot. Neerl. 15: 477, figs. 1, 2. 1966.
Common names: Fassett’s water-starwort
EndemicConservation concern
Synonyms: Callitriche autumnalis var. bicarpellaris Fenley e× Jepson C. hermaphroditica var. bicarpellaris (Fenley e× Jepson) H. Mason
Leaves not connate at base, ± linear, tapering from base, 12 × 0.3–0.5 mm, 1-veined. Stem and leaf scales absent. Inflorescences: bracts absent. Pedicels 0.5–1 mm in fruit. Flowers solitary or 1+ per axil; styles recurved, ± reflexed; pollen colorless. Schizocarps 1.1–1.8 × 1.5–2.5 mm, shorter than wide; mericarps black, not swollen, winged throughout, wings straight, 0.1–0.3 mm wide.
Phenology: Flowering Apr–May(–Jul).
Habitat: Vernal and permanent pools, running water.
Elevation: 0–1600 m.
Distribution
Calif., Nebr., Oreg.
Discussion
Callitriche fassettii is widespread in California and adjacent Oregon. The record from Nebraska is based on a single specimen, which could be due to introduction, or could involve an identification or recording error and requires confirmation.
Selected References
None.
Lower Taxa
None.
... more about "Callitriche fassettii"
hypogynous +
simple +
absent +
absent +
symmetric +
Fassett’s water-starwort +
symmetric +
drupe-like +
absent +
glabrous +
abaxial +
unisexual +
separating +
pistillate +
axillary +
1-veined +
not connate +
12 cm120 mm <br />0.12 m <br /> (?) +
cauline +
absent +
tapering +
notched +
winged +
black +
not swollen +
basal +
superior +
spiciform +
absent +
hypogynous +
connate +
absent +
absent +
2-carpellate +
colorless +
Acta Bot. Neerl. +
1966 +
absent +
shorter than wide +
1.5mm;2.5mm +
1;300 +
absent +
absent +
equal +
reclining;pendent;spreading;arching;erect;ascending;erect;ascending;decumbent +
absent +
simple +
terete +
absent +
Callitriche fassettii +
Callitriche +
species +
perennial +
submersed +
autotrophic +
fleshy +
partial +
straight +
absent +
0.1mm;0.3mm +