Xanthisma texanum var. orientale
Rhodora 76: 14. 1974.
Treatment appears in FNA Volume 20. Treatment on page 385.
Bodies mostly orbiculate to depressed-elliptic (1–2 × 1.5–3.5 mm distal to widest point), apices obtusely cuspidate, flared distally, ovate portion 1.5–2 × 2–3 mm (distal to widest point). 2n = 8, 10, phyllaries ± expanded distal to stalks.
Phenology: Flowering spring–fall.
Habitat: Prairies, open woods, and disturbed sites
Elevation: 0–200 m
Discussion
J. C. Semple (1974) recognized two forms of var. orientale, the typical form having whitish phyllary margins, and forma rubrum Semple, red. Forma rubrum is rare but is found mixed with the typical form throughout the range of var. orientale.
Selected References
None.
Lower Taxa
None.
... more about "Xanthisma texanum var. orientale"
introrse +
connate +
not bristle-tipped +
cuspidate +
distinct +
herbaceous +
flared +
scarious +
hirsute +
papillate +
corymbiform +
continuous +
2-pinnatifid;pinnatifid +
decurrent +
indurate +
1-nerved +
lanceolate;oblanceolate or spatulate +
ribbed +
elliptic +
mostly orbiculate;depressed-elliptic +
stigmatic +
tawny +
persistent +
apiculate +
absent +
spaced +
yellow +
red-purple +
absent +
monomorphic +
6-18-ribbed +
dimorphic +
1.6mm;1.8mm +
staminate +
Tex. +
straight +
glabrous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
indeterminate +
surrounding +
hemispheric +
5mm;18mm +
unequal +
2mm;3mm +
pinnatifid;2-pinnatifid +
alternate +
not bristle-tipped +
entire +
distal +
triangular +
ciliolate +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
barbellate +
persistent +
longest +
outer +
0.5 +
flattened +
hispidulous +
tough +
thick +
absent +
connate +
1-nerved +
persistent +
appressed +
stiff +
distinct +
falling +
enlarged +
laciniate +
ovate +
reduced +
stalklike +
stramineous +
enlarged +
Rhodora +
1974 +
pistillate +
absent +
fertile +
yellow +
epaleate +
pitted +
flat;convex +
obscure +
fibrous +
exalbuminous +
modifed +
3;4 +
white +
distinct +
alternate +
glabrous +
lanceolate +
2-branched +
glabrous +
Xanthisma texanum var. orientale +
Xanthisma texanum +
variety +
tipped +
entire +
distinct +
distal +
thick +
taprooted +
subshrub +