Show Lower Taxa
Lasthenia sect. Platycarpha
Univ. Calif. Publ. Bot. 40: 66. 1966.
Basionym: Baeria sect. Platycarpha H. M. Hall in N. L. Britton et al., N. Amer. Fl. 34: 76. 1914
Revision as of 22:54, 29 July 2020 by imported>Volume Importer
Annuals. Leaves usually with 1–2 pairs of linear lobes, sometimes entire. Involucres obconic. Phyllaries persistent, distinct. Receptacles conic, muricate, glabrous or sparsely hairy. Ray corollas yellow, laminae 7–8 mm, floral pigments remaining yellow in dilute aqueous alkali. Disc corolla lobes 5; anther appendages deltate; style apices deltate with apical tufts of hairs and subapical fringes of shorter hairs. Cypselae 1.5–3.5 mm; pappose. 2n = 8.
Discussion
Species 1.
Selected References
None.
Lower Taxa
... more about "Lasthenia sect. Platycarpha"
deltate +
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
dilute +
continuous +
decurrent +
lobed +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
zygomorphic +
pappose +
dimorphic +
papillate +
1.5mm;3.5mm +
staminate +
Calif. +
straight +
distinct +
yellow +
proximal +
1;5 +
bisexual +
dispersed +
singly +
disciform +
indeterminate +
surrounding +
obconic +
entire +
opposite +
cauline +
glabrous +
papillate +
deltate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
scarious-margined +
persistent +
distinct +
herbaceous +
falling +
unequal +
equal +
Univ. Calif. Publ. Bot. +
1966 +
pistillate +
absent +
fertile +
yellow +
epaleate +
muricate +
conic +
fibrous +
exalbuminous +
modifed +
alternate +
erect +
deltate +
2-branched +
papillate +
Lasthenia sect. Platycarpha +
Lasthenia +
section +
campanulate +
equaling +
shorter +
annual +