Spergularia macrotheca var. leucantha
Proc. Amer. Acad. Arts 29: 313. 1894.
Endemic
Basionym: Tissa leucantha Greene Pittonia 1: 301. 1889
Treatment appears in FNA Volume 5. Treatment on page 18.
Plants 10–40 cm. Stems usually ascending to erect, sometimes prostrate. Leaves: stipules 6–9 mm; blade 1.5–5.5 cm. Flowers: sepal lobes ± lanceolate, 4.5–5.5 mm, to 6.5 mm in fruit; petals white, 1–1.1 times as long as sepals; styles 1.2–1.9 mm. Capsules 1.2–1.4 times as long as sepals. Seeds dark redbrown, not grooved, suborbiculate, 0.7–0.8 mm, smooth to faintly tuberculate (40×); wing absent or 0.1–0.3 mm wide.
Phenology: Flowering spring.
Habitat: Alkaline soils, floodplains, vernal pools, meadows, marshy ground
Elevation: 0-800 m
Discussion
Selected References
None.
Lower Taxa
None.
"-1.4timesaslongassepals" is not declared as a valid unit of measurement for this property.
... more about "Spergularia macrotheca var. leucantha"
blunt;rounded +
absent +
spongy +
distinct +
absent +
clawed +
whorled +
arising +
absent +
1-veined +
fleshy +
foliaceous +
paired +
absent +
single +
smaller +
scarious +
ovoid +
absent +
branched +
woody +
absent +
dish--shaped +
Calif. +
curved +
peripheral +
annular +
absent +
opposite +
distinct +
sessile +
symmetric +
axillary +
simple +
absent +
dish or cupshaped +
expanded +
sessile +
distinct +
axillary +
absent +
3-veined +
? (?) +
irregular +
scarious +
absent +
low +
rounded +
swollen +
superior +
campylotropous +
divergent +
reflexed;erect +
absent +
straight +
central +
surrounding +
annular +
white +
fugacious +
1-1.1 times as long as sepals +
absent +
absent +
Proc. Amer. Acad. Arts +
1894 +
arising +
absent +
not grooved +
circular;angular +
dark redbrown +
[40 +
suborbiculate +
membranous +
opposite +
green +
persistent +
connate +
herbaceous +
lanceolate +
lanceolate;ovate +
Endemic +
arising +
absent +
16;19 +
branched +
prostrate +
herbaceous +
usually ascending;erect +
terete +
woody +
subcapitate +
absent +
papillate +
bristlelike +
absent +
conspicuous +
triangular +
scarious +
absent +
glabrous +
filiform +
filiform +
woody +
Spergularia macrotheca var. leucantha +
Spergularia macrotheca +
variety +
tuberous +
recurved +
divided +
indehiscent +
entire +
spreading +
perennial +
horizontal +
absent +
0.1-0.3 mm +
wide +