Marshallia mohrii

Beadle & F. E. Boynton

Biltmore Bot. Stud. 1: 8, plate 3. 1901.

Endemic
Treatment appears in FNA Volume 21. Treatment on page 457.

Plants 30–70 cm (aerial stems branched distally). Leaves mostly basal (distally reduced); basal petiolate; blades 3-nerved, narrowly elliptic to spatulate, 6–25 cm × 8–3 mm. Heads 2–5 (–10), 22–37 mm diam. Peduncles 10–20 cm. Phyllaries 8–11 × 2–3.5 mm, apices acute. Paleae ± linear, apices acute. Corollas pink, lobes 5–7 × 1 mm. Pappi: scale margins irregular, broken, serrulate. 2n = 36.


Phenology: Flowering May–Jun.
Habitat: Meadows, roadsides
Elevation: 500–1000 m

Discussion

Marshallia mohrii grows in the southern Appalachians. It may be an allotetraploid derivative of diploids, probably M. grandiflora and either M. trinervia or M. graminifolia subsp. tenuifolia

Lower Taxa

None.
... more about "Marshallia mohrii"
not tailed +, rounded +  and obtuse +
cream +  and purple +
connate +  and distinct +
acute;acute +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
corymbiform +  and open +
indeterminate +  and determinate +
Linda E. Watson +
Beadle & F. E. Boynton +
decurrent +
6 cm60 mm <br />0.06 m <br /> (25 cm250 mm <br />0.25 m <br />) +
narrowly elliptic;spatulate +
0.8 cm8 mm <br />0.008 m <br /> (0.3 cm3 mm <br />0.003 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. +  and Ga. +
500–1000 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Meadows, roadsides +
in open , corymbiform arrays +  and singly +
indeterminate +
2.2 cm22 mm <br />0.022 m <br /> (?) +  and 3.7 cm37 mm <br />0.037 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 +
1 cm10 mm <br />0.01 m <br /> (?) +
2-carpellate +
persistent +
10 cm100 mm <br />0.1 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Flowering May–Jun. +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
12 +  and 24 +
0.2 cm2 mm <br />0.002 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
Biltmore Bot. Stud. +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
convex;conic +
watson1991a +
lance-deltate +  and lance-attenuate +
scarious +  and membranous +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Marshallia mohrii +
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 />) +