Polycnemum majus

A. Braun ex Bogenhard

Flora 24: 151. 1841.

IntroducedIllustrated
Treatment appears in FNA Volume 4. Treatment on page 262.

Stems procumbent to erect, branches not twisted, 10–30 cm, glabrous. Leaves green to bluish green, (3–) 10–25 (–20) × 0.5–1 mm, base hyaline, sometimes with sparsely bristled margins, apex stiffly spine-tipped. Bracts ± 3 times perianth length. Bracteoles 1–2 times perianth length. Seeds 1.5–2 mm. 2n = 54.


Phenology: Flowering mid summer.
Habitat: Dry places, such as bare limestone flats
Elevation: 100-300 m

Distribution

V4 475-distribution-map.gif

Introduced; Ont., Ill., N.Y., Europe

Discussion

Reports of this species are increasingly rare, perhaps due to loss of habitat.

Selected References

None.

Lower Taxa

None.

"timesperianthlength" is not declared as a valid unit of measurement for this property."-2timesperianthlength" is not declared as a valid unit of measurement for this property.

... more about "Polycnemum majus"
Leila M. Shultz +
A. Braun ex Bogenhard +
slippery +
aromatic +
triangular +  and awl--shaped +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Ont. +, Ill. +, N.Y. +  and Europe +
100-300 m +
symmetric +, or +  and uniseriate +
Dry places, such as bare limestone flats +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
2.5 cm25 mm <br />0.025 m <br /> (2 cm20 mm <br />0.02 m <br />) +
green;bluish green +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
not winged +  and winged +
bristled +
inferior +, half-inferior +  and superior +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
nonadherent +  and adherent +
Flowering mid summer. +
pointing +  and ascending +
basal +, median +  and position +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
smooth +  and pitted +
reddish-brown +, brown +  and black +
flattened +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
membranous +
Introduced +  and Illustrated +
cylindric +
flattened +
not armed +  and not jointed +
opposite +  and alternate +
not fleshy +
filiform +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Polycnemum majus +
Polycnemum +
species +
circumscissile +, dehiscence +  and indehiscent +
pubescent +  and glabrous +
polygamous +, dioecious +  and monoecious +