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2n chromosome quantity
34 +
Abaxial face pubescence
nearly +  and glabrous +
Anther base shape
not tailed +, truncate +, rounded +  and obtuse +
Anther dehiscence
introrse +
Anther fusion
connate +
Apex shape
acute;acute +
Apex texture
scarious +
Apical appendage presence
absent +
Apical appendage shape
usually ovate +  and lanceolate +
Appendage pubescence
hirsute +
Appendage relief
papillate +
Appendage shape
usually terete +  and clavate +
Array architecture
corymbiform +
Array architecture or arrangement
compact +
Array development
indeterminate +  and determinate +
Author
Guy L. Nesom +
Authority
(Kunth) R. M. King & H. Robinson +
Band architecture
continuous +
Band quantity
1 +
Base pubescence
glabrous +
Base shape
truncate +  and cuneate +
Base size
enlarged +
Basionyms
Eupatorium havanense +
Blade architecture
3(-5)-nerved +
Blade atypical length
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Blade length
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Blade margin shape
dissected +, lobed +, toothed +  and entire +
Blade shape
hastate;deltate;broadly ovate +
Blade width
2 cm20 mm <br />0.02 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Body relief
papillate +  and rugose +
Body shape
(4-)5-angled;10-ribbed +
Branch arrangement or course or shape
linear +
Branch shape
dilated +
Branch structure in adjective form
stigmatic +
Bristle architecture
barbellulate +
Bristle quantity
5;40 +
Bristle relief
coarse +
Bristle shape
Plumose (?) +
Calyculus presence
absent +
Common name
Havana snakeroot +
Corolla architecture
not 2-lipped +
Corolla coloration
white +  and slightly pinkish +
Corolla pubescence
glabrous +
Cypsela architecture
monomorphic +
Cypsela architecture or shape
5-ribbed +
Cypsela pubescence
hispid +
Cypsela relief
scabrellous +
Cypsela shape
fusiform +  and prismatic +
Disc-floret reproduction
fertile +  and bisexual +
Distribution
Tex. +, Mexico +  and West Indies (Cuba) +
Elevation
100–900 m +
Embryo course
straight +
Face architecture
eglandular +
Face pubescence
nearly +  and glabrous +
Filament fusion
distinct +
Floret architecture
pistillate +, staminate +  and neuter +
Floret atypical quantity
5;15 +
Floret position
proximal +
Floret quantity
10;60 +
Floret reproduction
bisexual +
Fruit architecture
winged +  and beaked +
Fruit condition or texture
dry +
Fruit density
dispersed +
Glomerule arrangement
singly +
Habitat
Bluffs, limestone outcrops and slopes, ledges along streams, often in oak-juniper woodlands +
Head architecture or shape
discoid +
Head arrangement
singly +
Head arrangement or growth form
clustered +
Head development
indeterminate +
Head reproduction
homogamous +
Illustration copyright
Flora of North America Association +
Illustrator
Linny Heagy +
Individual head architecture
each +  and sessile +
Involucre diameter
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Involucre position relational
surrounding +
Involucre shape
campanulate +
Involucre some measurement
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Leaf architecture
petiolate +
Leaf arrangement
opposite +
Leaf duration
persistent +
Leaf position
cauline +
Line quantity
2 +
Lobe atypical quantity
4 (5) +
Lobe quantity
5 (?) +
Lobe shape
lanceolate +  and lance-linear +
Margin architecture or shape
dentate +
Margin shape
crenate +
Number of lower taxa
0 +
Ovary architecture
2-carpellate +
Ovary architecture or structure in adjective form
1-locular +
Ovary position
inferior +
Ovule fixation
attached +
Ovule orientation
anatropous +
Ovule quantity
1 +
Pappus duration
persistent +
Pappus fragility
fragile +
Pappus life cycle
falling +
Peduncle pubescence
puberulent +
Peduncle some measurement
0.2 cm2 mm <br />0.002 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Pericarp fragility
tough +
Pericarp width
thick +
Petal fusion
connate +
Petiole atypical some measurement
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Petiole some measurement
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Phenology
Flowering mainly (Sep–)Oct–Nov(–Dec), also Apr–Jul. +
Phyllary architecture
2-nerved +  and 0-nerved +
Phyllary duration
persistent +
Phyllary fusion
distinct +
Phyllary quantity
8 +  and 30 +
Phyllary shape
Lanceolate (Linear) +
Phyllary size
subequal +  and unequal +
Phyllary texture
Usually herbaceous (Chartaceous) +
Phyllary variability
equal +
Publication title
Phytologia +
Publication year
1970 +
Ray-floret presence
absent +
Receptacle architecture
epaleate +
Receptacle pubescence
bearing subulate enations +, hairy +  and bristly +
Receptacle shape
convex +
Reference
None +
Root texture
fibrous +
Seed architecture
exalbuminous +
Seed quantity
1 +
Sepal variability
modifed +
Series atypical quantity
2 (3) +
Series quantity
1;2 +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V19-20-21/V21 1400.xml +
Stamen arrangement
alternate +
Stamen atypical quantity
4 (5) +
Stamen quantity
5 +
Stem architecture
branched +
Stem growth form
scandent +
Stem orientation
erect +
Stem pubescence
puberulent +  and glabrous +
Style-branch architecture
appendaged +  and truncate +
Style architecture
2-branched +
Style pubescence
hirsutulous +
Style quantity
1 +
Style relief
papillate +
Synonyms
Compositae +
Taxon family
Asteraceae +
Taxon name
Ageratina havanensis +
Taxon parent
Ageratina +
Taxon rank
species +
Throat shape
obconic +  and campanulate +
Volume
Volume 21 +
Whole-organism duration
perennial +
Whole organism atypical some measurement
150 cm1,500 mm <br />1.5 m <br /> (200 cm2,000 mm <br />2 m <br />) +
Whole organism growth form
shrub +
Whole organism some measurement
69cm (150cm) +
X chromosome quantity
17 +