Arnoglossum album
Sida 18: 378, figs. 1, 6-9. 1998.
Treatment appears in FNA Volume 20. Treatment on page 623.
Plants 80–100+ cm. Stems strongly ridged. Basal leaves: (petioles 12–18+ cm) blades (lateral-veins appressed to midveins 2–4 cm, then spreading) broadly ovate to narrowly oblong-lanceolate, 15–37 cm, margins usually entire, rarely sinuate or serrulate-denticulate. Cauline leaves: proximal petiolate, blades ovate (12–18+ cm, bases cuneate), margins serrate (apices acuminate); distal sessile, smaller. Involucres 10–12.5+ mm. Phyllaries (chalky white) ± ovate, midvein wings highest at bases. Corollas white, rarely tinged with pink, 9–10.5 mm. Cypselae cylindric to narrowly clavate, 4.2–5 mm; pappi 6–7 mm. 2n = 50.
Phenology: Flowering May–mid July.
Habitat: Poorly drained, acidic loamy sands, savannas, open pinewoods
Elevation: 0–10 m
Discussion
Of conservation concern.
Arnoglossum album is known only from Bay and Gulf counties.
Selected References
None.
Lower Taxa
None.
... more about "Arnoglossum album"
introrse +
connate +
papillate +
truncate-penicillate;truncate +
scarious +
hispidulous +
papillate +
corymbiform +
continuous +
decurrent +
nerved +
ovate;broadly ovate;narrowly oblong-lanceolate +
winged;nerved;ribbed +
1;15 +
stigmatic +
white +
persistent +
100;120 +
absent +
not 2-lipped +
glabrous +
4.2mm;5mm +
staminate +
sessile +
smaller +
Fla. +
straight +
glabrous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
discoid +
singly +
indeterminate +
surrounding +
cylindric;turbinate +
alternate +
recurved;spreading +
lanceolate +
serrate +
scarious +
highest +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
fragile +
falling +
tough +
thick +
absent +
connate +
persistent +
distinct +
herbaceous +
falling +
erect +
ovate +
equal +
petiolate +
Sida +
1998 +
absent +
epaleate +
foveolate +
convex;flat +
fibrous +
exalbuminous +
modifed +
1;2 +
alternate +
erect +
ridged +
continuous +
2-branched +
glabrous +
papillate +
Arnoglossum album +
Arnoglossum +
species +
campanulate +
equaling +
perennial +