Marshallia obovata

(Walter) Beadle & F. E. Boynton

Biltmore Bot. Stud. 1: 5. 1901.

Endemic
Basionym: Athanasia obovata Walter Fl. Carol., 201. 1788
Synonyms: Marshallia obovata var. platyphylla (M. A. Curtis) Beadle & F. E. Boynton Marshallia obovata var. scaposa Channell
Treatment appears in FNA Volume 21. Treatment on page 457. Mentioned on page 458.

Plants 10–60 cm. Leaves mostly basal (distal slightly reduced); basal petiolate; blades 3-nerved, elliptic, oblanceolate, or spatulate, 5–10 cm × 5–15 mm. Heads 1–2, 20–30 mm diam. Peduncles 20–40 cm. Phyllaries 5–10 × 2–3 mm, apices obtuse. Paleae linear-spatulate, apices obtuse. Corollas white, lobes 2.5–6 × 0.5–1 mm. Pappi: scale margins entire or denticulate. 2n = 18.


Phenology: Flowering May–Jun.
Habitat: Understories, pine forests
Elevation: 100–1000 m

Distribution

V21-1150-distribution-map.gif

Ala., Fla., Ga., N.C., S.C., Va.

Discussion

Marshallia obovata grows on the piedmont and on the Atlantic coastal plain. Scapiform plants with the leafy parts of stems less than 1/4 lengths of peduncles are sometimes known as var. scaposa. They occur along the inner Atlantic coastal plain.

Selected References

None.

Lower Taxa

None.
... more about "Marshallia obovata"
not tailed +, rounded +  and obtuse +
cream +  and purple +
connate +  and distinct +
obtuse;obtuse +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
corymbiform +  and open +
indeterminate +  and determinate +
Linda E. Watson +
(Walter) Beadle & F. E. Boynton +
decurrent +
Athanasia obovata +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
spatulate;oblanceolate;spatulate;oblanceolate;elliptic +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
sessile +  and petiolate +
clavate +  and turbinate +
fertile +  and bisexual +
fertile +  and bisexual +
Ala. +, Fla. +, Ga. +, N.C. +, S.C. +  and Va. +
100–1000 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Understories, pine forests +
in open , corymbiform arrays +  and singly +
indeterminate +
2 cm20 mm <br />0.02 m <br /> (?) +  and 3 cm30 mm <br />0.03 m <br /> (?) +
homogamous +  and heterogamous +
each +  and sessile +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
hemispheric;obconic +
sessile +  and petiolate +
lance-linear +  and linear-oblong +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +  and 0.1 cm1 mm <br />0.001 m <br /> (?) +
2-carpellate +
linear-spatulate +
persistent +
20 cm200 mm <br />0.2 m <br /> (40 cm400 mm <br />0.4 m <br />) +
Flowering May–Jun. +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
12 +  and 24 +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Biltmore Bot. Stud. +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
convex;conic +
denticulate +  and entire +
lance-deltate +  and lance-attenuate +
scarious +  and membranous +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Marshallia obovata var. platyphylla +  and Marshallia obovata var. scaposa +
Marshallia obovata +
Marshallia +
species +
80 cm800 mm <br />0.8 m <br /> (120 cm1,200 mm <br />1.2 m <br />) +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +