Hemizonia congesta subsp. tracyi

Babcock & H. M. Hall

Univ. Calif. Publ. Bot. 13: 46. 1924.

EndemicConservation concern
Synonyms: Hemizonia congesta var. tracyi (Babcock & H. M. Hall) Jepson Hemizonia tracyi
Treatment appears in FNA Volume 21. Treatment on page 293. Mentioned on page 292.
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Leaves usually puberulent, hispidulous, or strigillose and often eglandular throughout, distal rarely villous and glandular. Heads in paniculiform arrays. Peduncles 0 or 1–18 mm, bracts not surpassing phyllaries. Calyculi 0. Phyllaries 3–10.5 mm, apices usually slightly shorter than bodies. Ray-florets 5–8 (–13); laminae white, not purple-veined. Cypsela widths 0.5–0.63 times lengths. 2n = 28.


Phenology: Flowering May–Nov.
Habitat: Grassy slopes, valleys, stream banks, openings in woodlands, forests, or chaparral
Elevation: 0–1200 m

Discussion

Of conservation concern.

Subspecies tracyi occurs in the north and central North Coast Ranges and on the outer North Coast.

Selected References

None.

Lower Taxa

None.
not tailed +, rounded +  and obtuse +
pale +  and dark +
connate +  and distinct +
usually slightly shorter +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
paniculiform +
indeterminate +  and determinate +
Bruce G. Baldwin +  and John L. Strother +
Babcock & H. M. Hall +
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 +
1/(0.5-0.63) +
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 +
0–1200 m +
glabrous +, villous +, sericeous +, strigose +, hirsute +, hispidulous +  and puberulent +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Grassy slopes, valleys, stream banks, openings in woodlands, forests, or chaparral +
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 />) +
not purple-veined +
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 />) +
alternate +  and opposite +
strigillose +, hispidulous +  and puberulent +
deltate +
entire +  and serrulate +
2-carpellate +
persistent +
Flowering May–Nov. +
5 +  and 14 +
0.3 cm3 mm <br />0.003 m <br /> (1.05 cm10.5 mm <br />0.0105 m <br />) +
alternate +  and opposite +
Univ. Calif. Publ. Bot. +
gibbous +  and obcompressed +
0.5 cm5 mm <br />0.005 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
exalbuminous +
Endemic +  and Conservation concern +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Hemizonia congesta var. tracyi +  and Hemizonia tracyi +
Hemizonia congesta subsp. tracyi +
Hemizonia congesta +
subspecies +
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 +