Tridax procumbens
Sp. Pl. 2: 900. 1753.
WeedyIntroducedIllustrated
Treatment appears in FNA Volume 21. Treatment on page 180.
Leaves: petioles 1–10 (–30) mm; blades 10–40 (–120) × 5–20 (–60) mm, often 3-lobed. Cypselae 2–2.5 mm; pappi 4–5 (–7.5) mm. 2n = 36.
Phenology: Flowering Jan–Dec.
Habitat: Disturbed sites
Elevation: 0–10 m
Distribution
Introduced; Fla., Tex., Mexico
Discussion
Tridax procumbens is listed as a noxious weed for United States and is listed as a pest or noxious weed for nine or more states.
Selected References
None.
Lower Taxa
None.
... more about "Tridax procumbens"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
3-lobed +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
zygomorphic +
monomorphic +
dimorphic +
piloso-sericeous +
2mm;2.5mm +
staminate +
straight +
scabrellous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
singly +
indeterminate +
Present +
true +
surrounding +
cylindric;hemispheric +
petiolate +
opposite +
deltate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
Sp. Pl. +
1753 +
pistillate +
absent +
fertile +
paleate +
convex;conic +
fibrous +
exalbuminous +
modifed +
2;3 +
alternate +
procumbent +
ascending +
2-branched +
papillate +
Tridax procumbens +
Tridax +
species +
cylindric +
shorter +
perennial +