Melanthium latifolium

Desrousseaux in J. Lamarck et al.

in J. Lamarck et al., Encycl. 4: 25. 1797.

Common names: Crisped bunch-flower slender bunch-flower
Endemic
Synonyms: Melanthium racemosum Michaux
Treatment appears in FNA Volume 26. Treatment on page 78. Mentioned on page 77.

Rhizomes 0.5–1.5 × 0.5–1 cm; bulbs 0.6–1.7 cm. Stems 1/4–1/2 floriferous, 0.5–1.6 m. Leaf-blades narrowly oblanceolate, 25–55 × 1–7.2 cm, apex acute. Inflorescences 1.7–7 dm; terminal racemes 0.4–3.9 dm; secondary racemes spreading to ascending, 0.7–1.8 (–2) dm; tertiary racemes common; bracts ovate to subulate, green to purplish brown, 2–6 mm, densely floccose proximally and marginally. Tepals greenish white to light yellow, aging green, orbiculate to rhombic, 3–8 × 2–4.8 mm, base abruptly attenuate, clawed, margins strongly undulate, basal 2/5 linear, involute, apex shortly acuminate; claws 0.3–6.9 mm; glands yellow, oblong to oblong-ovate, nectariferous; stamens 4–5.5 mm; filaments inserted at or below middle of claw, 0.4–1 mm from ovary base, not basally dilated, equaling tepal width at insertion point; anthers 0.7 mm; ovary ovoid, glabrous or pubescent; styles 1.7–3 mm; pedicel spreading to ascending, 7–17 mm. Capsules ellipsoid-oblong, 12–19 × 7–12 mm, glabrous or glabrate. Seeds 7.5–9 × 4–4.5 mm (including wings). 2n = 16.


Phenology: Flowering summer.
Habitat: Mesic to dry, rocky, wooded slopes
Elevation: 300–1700 m

Distribution

V26 66-distribution-map.jpg

Ark., Conn., Del., D.C., Ga., Md., N.J., N.Y., N.C., Pa., S.C., Tenn., Va., W.Va.

Discussion

Traditionally, Melanthium latifolium has been known by the misapplied name M. hybridum Walter (N. L. Bodkin 1979).

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Melanthium latifolium"
cordate-reniform +
0.7 cm7 mm <br />0.007 m <br /> (?) +
Acuminate (?) +  and Acute (?) +
Norlyn L. Bodkin +  and Frederick H. Utech +
Desrousseaux in J. Lamarck et al. +
whorled +, opposite +  and alternate +
clawed +  and attenuate +
reticulate-veined +  and parallel-veined +
canaliculate +, elliptic +  and obovate +
sheathing +  and involucrate +
green +  and purplish brown +
ovate;subulate +
0.6 cm6 mm <br />0.006 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
glabrate +  and glabrous +
ellipsoid-oblong +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.69 cm6.9 mm <br />0.0069 m <br />) +
Crisped bunch-flower +  and slender bunch-flower +
Ark. +, Conn. +, Del. +, D.C. +, Ga. +, Md. +, N.J. +, N.Y. +, N.C. +, Pa. +, S.C. +, Tenn. +, Va. +  and W.Va. +
300–1700 m +
persistent +
connate-coroniform +  and dilated +
sessile +  and pedicellate +
smaller +
loculicidal +  and septicidal +
3-lobed +
membranaceous +  and leathery +
nectariferous +
oblong +  and oblong-ovate +
Mesic to dry, rocky, wooded slopes +
umbellate +, cymose +  and spicate +
compound-racemose +  and open-paniculate +
25 cm250 mm <br />0.25 m <br /> (55 cm550 mm <br />0.55 m <br />) +
1 cm10 mm <br />0.01 m <br /> (7.2 cm72 mm <br />0.072 m <br />) +
persistent +
reduced +
undulate +
distinct +
superior +  and partly inferior +
pubescent +  and glabrous +
many;several +
spreading +  and ascending +
0.7 cm7 mm <br />0.007 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
zygomorphic +  and actinomorphic +
prominent +  and obscure to very +
Flowering summer. +
in J. Lamarck et al., Encycl. +
0.5cm +  and 1.5cm +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 1 cm10 mm <br />0.01 m <br /> (?) +
contractile +
wind-distributed +
0.75 cm7.5 mm <br />0.0075 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
1 +  and many +
elliptic +  and lanceolate +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 0.45 cm4.5 mm <br />0.0045 m <br /> (?) +
staminodial +
floriferous +
50 cm500 mm <br />0.5 m <br /> (160 cm1,600 mm <br />1.6 m <br />) +
1 +  and several +
persistent +
distinct +
spreading +  and recurved +
beaklike +
0.17 cm1.7 mm <br />0.0017 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Melanthium racemosum +
Melanthium latifolium +
Melanthium +
species +
green;greenish white;light yellow +
persistent +
adnate +, distinct +  and weakly connate basally +
orbiculate +  and rhombic +
subequal +
2mm;4.8mm +
sepaloid +  and petaloid +
narrower +
3 +  and 2 +