Juncus filipendulus

Buckley

Proceedings of the Academy of Natural Sciences of Philadelphia 14: 8. 1862.

Endemic
Synonyms: Juncus leptocaulis Torrey & A. Gray ex Engelmann
Treatment appears in FNA Volume 22.

Herbs, perennial, tufted, 1.5–3.5 dm. Rhizomes poorly developed. Culms erect, compressed, bases often swollen. Leaves: basal 2–4, cauline 1–3; auricles 0.5–1 mm, apex rounded to nearly acute; blade flat, 3–15 cm × 1–2.5 mm. Inflorescences glomerules, (1–) 2–5 (–10), each with (3–) 6–15 flowers, open; primary bract shorter than inflorescence. Flowers: tepals straw-colored with green midstripe, lanceolate or widely so, 3.5–5 mm, margins sometimes clear; outer and inner series nearly equal; stamens 3, filaments 1.5 mm, anthers 0.5 mm; style 0.5 mm. Capsules tan to reddish-brown, 3-locular, obovoid, 2.6–3.2 mm, shorter than perianth. Seeds fusiform, 0.5–0.6 mm, not tailed.


Phenology: Flowering and fruiting spring–early summer.
Habitat: Moist, usually calcareous soils of swales or glades, occasionally in shallow water along streams

Distribution

V22 19-distribution-map.jpg

Ala., Ga., Ark., Ky., La., Miss., Okla., Tenn., Tex.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Juncus filipendulus"
persistent +
0.5 cm5 mm <br />0.005 m <br /> (?) +
rounded +  and nearly acute +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
Ralph E. Brooks* +  and Steven E. Clemants* +
Buckley +
swollen +
3 cm30 mm <br />0.03 m <br /> (15 cm150 mm <br />0.15 m <br />) +
channeled;terete;flat +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
tan +  and reddish-brown +
0.26 cm2.6 mm <br />0.0026 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
compressed +
Ala. +, Ga. +, Ark. +, Ky. +, La. +, Miss. +, Okla. +, Tenn. +  and Tex. +
1.5 cm15 mm <br />0.015 m <br /> (?) +
arranged +  and cluster +
headlike +
Moist, usually calcareous soils of swales or glades, occasionally in shallow water along streams +
pseudoaxillary +  and terminal +
cauline +  and basal +
3 +  and 1 +
green;brown or purplish black +
persistent +
Flowering and fruiting spring–early summer. +
parietal +  and axile +
Proceedings of the Academy of Natural Sciences of Philadelphia +
not tailed;fusiform +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
green;brown or purplish black +
persistent +
generally longer +
0.5 cm5 mm <br />0.005 m <br /> (?) +
Juncus leptocaulis +
Juncus filipendulus +
Juncus subg. Graminifolii +
species +
straw-colored +
widely +  and lanceolate +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +