Marshallia grandiflora

Beadle & F. E. Boynton

Biltmore Bot. Stud. 1: 7, plate 1. 1901.

EndemicConservation concern
Treatment appears in FNA Volume 21. Treatment on page 457.

Plants 20–90 cm. Leaves mostly basal; basal petiolate (distal sessile, reduced); blades 3-nerved, ± elliptic, broadly oblanceolate, or spatulate, 12–25 cm × 14–19 mm. Heads 1–2, 26–45 mm diam. Peduncles 10–20 cm. Phyllaries 8–11 × 2–4 mm, apices acute. Paleae ± linear, apices acute. Corollas pink, lobes 3–7 × 0.5–0.8 mm. Pappi: scale margins serrulate. 2n = 18.


Phenology: Flowering May–Jun.
Habitat: Stream banks, gravel bars
Elevation: 500–1500 m

Distribution

V21-1148-distribution-map.gif

Ky., N.C., Pa., Tenn., W.Va.

Discussion

Of conservation concern.

Marshallia grandiflora grows in the Appalachian Mountains. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.
... more about "Marshallia grandiflora"
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 +
12 cm120 mm <br />0.12 m <br /> (25 cm250 mm <br />0.25 m <br />) +
spatulate;oblanceolate;spatulate;oblanceolate;elliptic +
1.4 cm14 mm <br />0.014 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
sessile +  and petiolate +
clavate +  and turbinate +
fertile +  and bisexual +
fertile +  and bisexual +
Ky. +, N.C. +, Pa. +, Tenn. +  and W.Va. +
500–1500 m +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Stream banks, gravel bars +
in open , corymbiform arrays +  and singly +
indeterminate +
2.6 cm26 mm <br />0.026 m <br /> (?) +  and 4.5 cm45 mm <br />0.045 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 0.08 cm0.8 mm <br />8.0e-4 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 /> (0.4 cm4 mm <br />0.004 m <br />) +
Biltmore Bot. Stud. +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
convex;conic +
lance-deltate +  and lance-attenuate +
scarious +  and membranous +
exalbuminous +
Endemic +  and Conservation concern +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Marshallia grandiflora +
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 />) +