Callitriche fassettii

Schotsman

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
Treatment appears in FNA Volume 17. Treatment on page 51. Mentioned on page 49, 50, 54.

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.

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"
Richard V. Lansdown +
Schotsman +
alternate +, opposite +, whorled +, helical +  and subopposite +
not leathery +  and not fleshy +
Fassett’s water-starwort +
ligulate +, unilabiate +, regular +, personate +  and bilabiate +
ovoid +, globular +, ellipsoid +, urceolate +, tubular +, cylindric +, less rotate +  and salverform +
Calif. +, Nebr. +  and Oreg. +
drupe-like +
0–1600 m. +
curved +  and straight +
staminate +  and pistillate +
1 +  and 4 +
poricidal +, septicidal +, loculicidal +  and dehiscence +
Vernal and permanent pools, running water. +
decussate +  and opposite +
persistent +  and deciduous +
not connate +
12 cm120 mm <br />0.12 m <br /> (?) +
tapering +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
not swollen +
axile +  and parietal +
tenuinucellate +, unitegmic +  and hemitropous +
campylotropous +, hemianatropous +  and anatropous +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
5 +  and 4 +
Flowering Apr–May(–Jul). +
Acta Bot. Neerl. +
minute +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
1.5mm;2.5mm +
red +, maroon +, black +, gray +, yellow +, brown +, tan +  and white +
ovoid +  and ellipsoid cylindric globular oblong conic disciform patelliform or angled +
distinct +  and connate +
5 +  and 4 +
Endemic +  and Conservation concern +
adnate +  and free +
climbing +  and scrambling +
supported by water , glabrous or bearing scales +  and creeping +
reclining;pendent;spreading;arching;erect;ascending;erect;ascending;decumbent +
reflexed +  and recurved +
Callitriche autumnalis var. bicarpellaris +  and C. hermaphroditica var. bicarpellaris +
Callitriche fassettii +
Callitriche +
species +
terrestrial +  and amphibious +
straight +
0.1mm;0.3mm +