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Kellogg's dwarf rush, Kellogg's rush

Torrey's rush

Habit Herbs, annual, cespitose, 0.1–0.55(–0.65) dm. Herbs, perennial, rhizomatous, (3–)4–10 dm.
Rhizomes

1–3 mm diam., with swollen nodes.

Culms

to 100.

erect, terete, 3–5 mm diam., smooth.

Cataphylls

0.

Leaves

to 2.5 cm × 0.1–0.3 mm.

basal 1–3, cauline 2–5, auricles 1–4 mm, apex rounded, scarious;

blade strawberry-colored, green, or pink, terete, 13–30 cm × 1–5 mm.

Inflorescences

terminal clusters, each with 1–4 flowers;

bracts subtending inflorescence 2–5, ovate to lanceolate, inconspicuous, 1–2.5 mm, membranous, apex acute to obtuse.

terminal clusters of 1–23 heads or single heads, 2–5.5 cm, branches spreading;

primary bract erect to ascending;

heads 25–100-flowered, globose, 10–15 mm diam.

Flowers

3-merous;

: tepals dark reddish brown, 2–3.2 × 0.4–1 mm, margins unpigmented;

inner series nearly equal to or slightly shorter than outer series, acute to acuminate;

stamens 3, filaments 0.7–1.3 mm, anthers 0.3–0.5 mm;

style 0.2–0.5 mm, stigma 0.4–1.3 mm.

tepals green to straw-colored, occasionally reddish, lanceolate-subulate;

outer tepals (3.7–)4–6 mm, apex acuminate;

inner tepals (3–) 3.4–4.6 mm, apex acuminate;

stamens 6, anthers 1/2 filament length.

Capsules

dark reddish, 3-locular, obovoid to ellipsoid, nearly equal to tepals, 1.8–2.9 × 1.2–1.6 mm.

equaling perianth or slightly exserted, straw-colored or chestnut brown, 1-locular, lance-subulate, 4.3–5.7 mm, apex tapering to subulate tip, valves separating at dehiscence, fertile throughout or only proximal to middle.

Seeds

ovoid, 0.4–0.55 mm, apiculate.

oblong to ellipsoid, 0.4–0.5 mm, not tailed;

body clear yellow-brown.

n

= 17.

2n

= 40.

Juncus kelloggii

Juncus torreyi

Phenology Flowering and fruiting spring–early summer. Fruiting early summer–fall.
Habitat Sandy and clayey damp soils around vernal pools, seepage areas, and low spots in fields and meadows Wet sandy shores, edges of sloughs, along slightly alkaline watercourses, swamps, sometimes on clay soils, calcareous wet meadows, and alkaline soils
Elevation 0–800 m (0–2600 ft) 0–600
Distribution
from FNA
CA; NV; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
AL; AR; AZ; CA; CO; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; AB; BC; MB; NB; ON; QC; SK; Mexico (Baja California, probably elsewhere in n Mexico)
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 22. FNA vol. 22.
Parent taxa Juncaceae > Juncus > subg. Graminifolii Juncaceae > Juncus > subg. Septati
Sibling taxa
J. acuminatus, J. acutiflorus, J. acutus, J. alpinoarticulatus, J. anthelatus, J. arcticus, J. articulatus, J. biglumis, J. bolanderi, J. brachycarpus, J. brachycephalus, J. brachyphyllus, J. brevicaudatus, J. bryoides, J. bufonius, J. bulbosus, J. caesariensis, J. canadensis, J. capillaris, J. capitatus, J. castaneus, J. chlorocephalus, J. compressus, J. confusus, J. cooperi, J. coriaceus, J. covillei, J. debilis, J. dichotomus, J. diffusissimus, J. drummondii, J. dubius, J. dudleyi, J. effusus, J. elliottii, J. ensifolius, J. falcatus, J. filiformis, J. filipendulus, J. georgianus, J. gerardii, J. greenei, J. gymnocarpus, J. hallii, J. hemiendytus, J. howellii, J. inflexus, J. interior, J. leiospermus, J. lesueurii, J. longistylis, J. luciensis, J. macrandrus, J. macrophyllus, J. marginatus, J. maritimus, J. megacephalus, J. mertensianus, J. militaris, J. nevadensis, J. nodatus, J. nodosus, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. pervetus, J. phaeocephalus, J. polycephalus, J. regelii, J. repens, J. roemerianus, J. scirpoides, J. secundus, J. squarrosus, J. stygius, J. subcaudatus, J. subtilis, J. supiniformis, J. tenuis, J. texanus, J. textilis, J. tiehmii, J. torreyi, J. trifidus, J. triformis, J. triglumis, J. trigonocarpus, J. uncialis, J. validus, J. vaseyi, J. xiphioides
J. acuminatus, J. acutiflorus, J. acutus, J. alpinoarticulatus, J. anthelatus, J. arcticus, J. articulatus, J. biglumis, J. bolanderi, J. brachycarpus, J. brachycephalus, J. brachyphyllus, J. brevicaudatus, J. bryoides, J. bufonius, J. bulbosus, J. caesariensis, J. canadensis, J. capillaris, J. capitatus, J. castaneus, J. chlorocephalus, J. compressus, J. confusus, J. cooperi, J. coriaceus, J. covillei, J. debilis, J. dichotomus, J. diffusissimus, J. drummondii, J. dubius, J. dudleyi, J. effusus, J. elliottii, J. ensifolius, J. falcatus, J. filiformis, J. filipendulus, J. georgianus, J. gerardii, J. greenei, J. gymnocarpus, J. hallii, J. hemiendytus, J. howellii, J. inflexus, J. interior, J. kelloggii, J. leiospermus, J. lesueurii, J. longistylis, J. luciensis, J. macrandrus, J. macrophyllus, J. marginatus, J. maritimus, J. megacephalus, J. mertensianus, J. militaris, J. nevadensis, J. nodatus, J. nodosus, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. pervetus, J. phaeocephalus, J. polycephalus, J. regelii, J. repens, J. roemerianus, J. scirpoides, J. secundus, J. squarrosus, J. stygius, J. subcaudatus, J. subtilis, J. supiniformis, J. tenuis, J. texanus, J. textilis, J. tiehmii, J. trifidus, J. triformis, J. triglumis, J. trigonocarpus, J. uncialis, J. validus, J. vaseyi, J. xiphioides
Synonyms J. triformis var. brachystylus J. nodosus var. megacephalus, J.uncus megacephalus, J.uncus nodosus var. megacephalus, J.uncus megacephalus
Name authority Engelmann Coville: Bulletin of the Torrey Botanical Club 22:303. (1895)
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