Juncus caesariensis


Memoirs of the Torrey Botanical Club 5: 106. 1894

Basionyms: Juncus asper Engelmann Trans. Acad. Sci. St. Louis 2: 478. 1868,
Treatment appears in FNA Volume 22.
Herbs, perennial, cespitose, 3–9 dm. Culms erect, 2–4 mm diam., scabrous. Cataphylls 0 or 1–2, straw-colored, apex acuminate. Leaves: basal 1–2, cauline 1–2; auricles 1–7.5 mm, apex rounded, scarious; blade terete, 4–25 cm × 1–1.8 mm, scabrous. Inflorescences panicles of 5–30 heads, 12–15 cm, erect to ascending branches; primary bract erect; heads 2–6-flowered, broadly obovoid, 5–10 mm diam. Flowers: tepals green to reddish brown, lanceolate; outer tepals 3.3–3.9 mm, apex acuminate; inner tepals 3.9–4.7 mm, acuminate; stamens 6, anthers 1/2 filament length. Capsules exserted, chestnut brown, 3-locular, ovoid, 4.5–5.3 mm, apex acuminate, valves separating at dehiscence. Seeds fusiform, 2.2–2.6 mm, tailed. ; seed body covered with whitish translucent veil.

Phenology: Fruiting mid summer–early fall.
Habitat: Wet springy bogs, swamps, and borders of wet woods
Elevation: 0–100 m


V22 482-distribution-map.jpg

N.S., Del., D.C., Md., N.J., N.C., Pa., Va.




Lower Taxa

No lower taxa listed.

Facts about "Juncus caesariensis"
AuthorRalph E. Brooks* + and Steven E. Clemants* +
AuthorityCoville +
BasionymsJuncus asper +
DistributionN.S. +, Del. +, D.C. +, Md. +, N.J. +, N.C. +, Pa. + and Va. +
Elevation0–100 m +
HabitatWet springy bogs, swamps, and borders of wet woods +
IllustratorYevonn Wilson-Ramsey +
PhenologyFruiting mid summer–early fall. +
Publication titleMemoirs of the Torrey Botanical Club +
Publication year1894 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V22/V22 482.xml +
SynonymsJuncus sect. Septati +
Taxon familyJuncaceae +
Taxon nameJuncus caesariensis +
Taxon parentJuncus subg. Septati +
Taxon rankspecies +
VolumeVolume 22 +