Lapsanastrum apogonoides
Taxon 44: 19. 1995.
Common names: Japanese nipplewort
IntroducedIllustrated
Basionym: Lapsana apogonoides Maximowicz Bull. Acad. Imp. Sci. Saint-Pétersbourg 18: 288. 1873
Treatment appears in FNA Volume 19. Treatment on page 255.
Stems slender, weak, flattened. Leaves: basal blades 40–100 × 10–25 mm, dentate, apices obtuse. Phyllaries broadly lanceolate, thin, scarcely keeled, 4–5 mm, stellately spreading in fruit. Corollas 6–10 mm. Cypselae straight, 4–5 mm. 2n = 16.
Phenology: Flowering May–Jun.
Habitat: Cultivated fields, disturbed areas, low boggy areas
Elevation: 10–100 m
Distribution
Introduced; Oreg., Asia (China), Asia (Japan), Asia (Korea)
Discussion
Lapsanastrum apogonoides is distinguished by its prostrate habit, weak stems, lyrate leaves, and 5 phyllaries spreading in fruit.
Selected References
None.
Lower Taxa
None.
"fine" is not a number."thin" is not a number.
... more about "Lapsanastrum apogonoides"
tailed +
introrse +
connate +
obtuse +
scarious +
developed +
absent +
hirsute +
papillate +
persistent +
falling +
continuous +
decurrent +
winged +
ribbed +
scale-like +
filiform +
stigmatic +
barbellate +
coarse +
absent +
glabrous +
reduced +
Japanese nipplewort +
yellow +
monomorphic +
not beaked +
golden brown +
straight +
4mm;5mm +
straight +
glabrous +
distinct +
ligulate +
proximal +
5;8 +
bisexual +
dispersed +
subsessile +
singly +
indeterminate +
homogamous +
Present +
true +
surrounding +
cylindro-campanulate +
alternate +
prickly +
not scarious +
2-carpellate +
inferior +
attached +
anatropous +
absent +
not inflated +
tough +
thick +
connate +
persistent +
spreading +
equal +
Taxon +
1995 +
epaleate +
glabrous +
flat;convex +
fibrous +
exalbuminous +
modifed +
alternate +
weak +
prostrate +
glabrous +
flattened +
2-branched +
hirsute +
papillate +
Lapsanastrum apogonoides +
Lapsanastrum +
species +
taprooted +
annual +