Thelesperma burridgeanum
Proc. Biol. Soc. Wash. 41: 146. 1928.
Endemic
Basionym: Cosmidium burridgeanum Regel Index Seminum (St. Petersburg) 1857: 40. 1858
Revision as of 22:26, 29 July 2020 by imported>Volume Importer
Annuals, 30–40 (–70+) cm. Cauline leaves crowded to ± scattered over proximal 1/2–3/4 of plant heights, internodes mostly 5–40 (–60+) mm; lobes mostly linear to filiform, sometimes oblanceolate, 5–25 (–45) × 0.5–1 (–2+) mm. Calyculi of 5–6 (–9) linear to narrowly triangular bractlets 2–4 mm (margins hispido-ciliate). Ray-florets 8; laminae wholly redbrown to purplish or mostly redbrown with distal margins yellow to orange, 7–9 (–12+) mm. Disc corollas redbrown to purplish, throats shorter than lobes. Cypselae 3.5–4 mm; pappi 0.5–1+ mm. 2n = 18.
Phenology: Flowering Apr–Jun.
Habitat: Disturbed sites on sands
Elevation: 10–200 m
Discussion
Thelesperma burridgeanum may be a color-form of T. filifolium.
Selected References
None.
Lower Taxa
None.
"broader" is not a number.
... more about "Thelesperma burridgeanum"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
decurrent +
lobed +
winged;ribbed;winged;ribbed +
3;8 +
distinct +
herbaceous +
linear;narrowly triangular +
stigmatic +
absent +
zygomorphic +
longer +
monomorphic +
arcuate +
dimorphic +
outer +
obcompressed +
3.5mm;4mm +
staminate +
yellow;orange +
Tex. +
straight +
beaked +
linear-fusiform;4-angled;ovate;orbiculate;oblong;linear;cuneate +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
surrounding +
hemispheric;urceolate +
opposite +
lance-linear +
equal +
winged +
scarious +
2-carpellate +
inferior +
attached +
anatropous +
falling +
obovate;oblong +
scarious +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
connate +
falling +
unequal +
equal +
proximal +
Proc. Biol. Soc. Wash. +
1928 +
neuter +
absent +
paleate +
flat;convex +
fibrous +
subulate +
exalbuminous +
modifed +
Endemic +
alternate +
branched +
erect +
2-branched +
papillate +
Thelesperma burridgeanum +
Thelesperma +
species +
shorter +
equal +
equaling +
annual +
subshrub +