Difference between revisions of "Hemizonia congesta"

de Candolle in A. P. de Candolle and A. L. P. P. de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 692. 1836.

IllustratedEndemic
Treatment appears in FNA Volume 21. Treatment on page 292. Mentioned on page 291.
imported>Volume Importer
 
(No difference)

Latest revision as of 23:42, 29 July 2020

Leaf-blades 50–175+ × 2–8 (–12+) mm. Involucres hemispheric to ± urceolate or globose, 3.5–12 × 3–8+ mm. Ray laminae 5–12 mm. Disc corollas 2.5–3.5 mm. Cypselae black, 2–3.5 mm.

Discussion

Subspecies 6 (6 in the flora).

Selected References

None.

Key

1 Heads in spiciform-racemiform to spiciform-paniculiform arrays (heads ± sessile); ray laminae white, abaxially purple-veined > 2
1 Heads in racemiform or paniculiform arrays or in glomerules; ray laminae white or yellow, abaxially purple-veined or not > 3
2 Peduncular bracts not or barely surpassing phyllaries; calyculi 0; phyllaries 3–7 mm, apices usually shorter than bodies; cypsela widths 0.6–0.75 times lengths Hemizonia congesta subsp. clevelandii
2 Peduncular bracts (and calyculi) often notably surpassing phyllaries; calyculi usually of 5–7, sometimes 0, bractlets; phyllaries 6–12 mm, apices usually longer than bodies; cypsela widths 0.5–0.6 times lengths Hemizonia congesta subsp. calyculata
3 Leaves usually puberulent and eglandular throughout, rarely the distal villous and glandular; heads in paniculiform arrays; ray laminae white, not purple-veined Hemizonia congesta subsp. tracyi
3 Leaves pubescent, sericeous, or villous, all or the distal glandular; heads in paniculiform arrays or in glomerules; ray laminae white or yellow, abaxially purple-veined > 4
4 Leaves ± villous (the distal with hairs at margins often longer); some or all heads usually in glomerules, sometimes in corymbiform or paniculiform arrays; phyllaries 6–10 mm, apices usually longer than bodies; ray laminae white Hemizonia congesta subsp. congesta
4 Leaves pubescent, villous, or sericeous (the distal with hairs at margins not notably longer); heads in paniculiform arrays; phyllaries 3–7(–8) mm, apices usually shorter than bodies; ray laminae white or yellow > 5
5 Ray laminae white Hemizonia congesta subsp. luzulifolia
5 Ray laminae yellow Hemizonia congesta subsp. lutescens
... more about "Hemizonia congesta"
not tailed +, rounded +  and obtuse +
pale +  and dark +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
umbelliform +, spiciform +, paniculiform +, glomerulate +  and corymbiform +
indeterminate +  and determinate +
Bruce G. Baldwin +  and John L. Strother +
de Candolle in A. P. de Candolle and A. L. P. P. de Candolle +
decurrent +
straight +
greater than lengths +
inconspicuous +
compound +  and simple +
linear to linear-elliptic +
lobed;usually spatulate;oblanceolate +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
yellow +  and white +
hairy +  and glabrous +
fusiform +, clavate +, obpyramidal +, terete +, compressed +  and obcompressed +
fertile +  and bisexual +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
fertile +  and bisexual +
Calif. +  and Oreg. +
glabrous +, villous +, sericeous +, strigose +, hirsute +, hispidulous +  and puberulent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
hemispheric;more or less urceolate or globose +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
5 cm50 mm <br />0.05 m <br /> (17.5 cm175 mm <br />0.175 m <br />) +
petiolate +  and sessile +
alternate +  and opposite +
deltate +
entire +  and serrulate +
2-carpellate +
persistent +
5 +  and 14 +
alternate +  and opposite +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
gibbous +  and obcompressed +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
exalbuminous +
Illustrated +  and Endemic +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Hemizonia congesta +
Hemizonia +
species +
cylindric +
toothed +  and entire +
5 cm50 mm <br />0.05 m <br /> (80 cm800 mm <br />0.8 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
shrub +  and subshrub +