familyCaryophyllaceae
subfamilyCaryophyllaceae subfam. Alsinoideae
genusEremogone
speciesEremogone congesta
Eremogone congesta var. cephaloidea
Sida 21: 239. 2004.
Common names: Sharptip sandwort
Endemic
Basionym: Arenaria cephaloidea Rydberg Bull. Torrey Bot. Club 39: 316. 1912
Synonyms: Arenaria congesta var. cephaloidea (Rydberg) Maguire
Stems 20–40 (–50) cm, glabrous. Leaves: basal blades erect to somewhat spreading, filiform, 3–8 (–14) cm × 0.4–0.7 mm, herbaceous. Inflorescences capitate, often pyramidal, dense cymes; bracts closely enveloping sepals. Pedicels ± absent, mostly shorter than 0.1 mm, glabrous. Sepals weakly to conspicuously 1–3-veined, 4–5 mm, apex acute to acuminate.
Phenology: Flowering summer.
Habitat: Open, gravelly woods
Elevation: 300-1000 m
Distribution
Idaho, Oreg., Wash.
Discussion
The pyramidal inflorescence of var. cephaloidea bears a fanciful resemblance to the grass Dactylis glomerata Linnaeus and some members of Carex Linnaeus sect. Ovales Kunth.
Selected References
None.
Lower Taxa
None.
... more about "Eremogone congesta var. cephaloidea"
perigynous +
not hooded +
acute;acuminate +
absent +
spongy +
distinct +
absent +
clawed +
flexuous +
herbaceous +
filiform +
branched +
arising +
absent +
woody +
1-veined +
foliaceous +
paired +
absent +
reduced +
scarious +
glabrous +
ovoid;urceolate +
absent +
woody +
reduced +
Sharptip sandwort +
absent +
umbellate +
dense +
arising +
dish--shaped +
absent +
opposite +
distinct +
sessile +
symmetric +
inconspicuous +
crescent--shaped +
simple +
cup-shaped +
capitate +
pyramidal +
sessile +
congested +
opposite +
connate +
white +
narrow +
scarious +
absent +
0.3 +
prominent +
0.15mm;0.2mm +
swollen +
superior +
campylotropous +
erect +
absent +
glabrous +
0.1 cm1 mm <br />0.001 m <br /> (?) +
perigynous +
straight +
central +
surrounding +
annular +
white +
fugacious +
1.5-2 times as long as sepals +
absent +
oblong +
absent +
Sida +
2004 +
absent +
arising +
absent +
reddish-brown;black +
1;10 +
tuberculate +
1-3-veined +
not awned +
opposite +
green +
persistent +
absent +
ovate;lanceolate +
not expanding +
Endemic +
arising +
absent +
absent +
herbaceous +
erect +
glabrous +
terete +
subcapitate +
absent +
absent +
distinct +
absent +
glabrous +
filiform +
Eremogone congesta var. cephaloidea +
Eremogone congesta +
variety +
tuberous +
ascending;recurved +
divided +
indehiscent +
entire +
perennial +
not glaucous +
horizontal +
absent +