Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Juncus parryi

Juncus greenei

Parry rush, Parry's rush

Greene's rush, jonc de Greene
Habit Herbs, perennial, strongly tufted, 0.5–3 dm. Herbs, perennial, tufted, to 7 dm.
Rhizomes

densely short-branched.

short, densely branched.
Culms

terete.

1–30.
Cataphylls

several.

1–2.
Leaves

auricles 0.2–0.3 mm, apex acute to rounded, scarious.

basal, (1–)2–3;

auricles (0.2–)0.4–0.6 (–0.8) mm, scarious, rarely ± leathery;

;

blade dark green, nearly terete, 5–30 cm × 0.4–0.8 mm, margins entire.
Inflorescences

1–3-flowered, open;

primary bract terete, 2–4 cm, usually longer than inflorescence.

terminal, 5–50-flowered, usually congested, 1–8 cm;

primary bract usually surpassing inflorescence.
Flowers

pedicellate;

bracteoles broadly ovate;

tepals light brown with green midstripe, lanceolate, 5.5–9 mm, margins scarious;

inner series loosely subtending capsule at maturity, shorter;

stamens 6, filaments 0.7–1 mm, anthers 1.1–1.6 mm;

style 0.2 mm.

bracteoles 2;

tepals dark green or darker, lanceolate, 2.5–4.2 mm;

outer and inner series nearly equal, apex acute;

stamens 6, filaments 0.5–0.8 mm, anthers 0.5–0.8 mm;

style 0.2 mm.
Capsules

tan, 3-locular, narrowly oblong, 6–9 × 1.5–2 mm, usually exceeding perianth.

chestnut brown or dark brown, infrequently lighter, 3-locular, ellipsoid, (2.5–)2.9–3.5(–4) × (1.1–)1.5–1.8 mm, slightly exceeding tepals, apex somewhat truncate.
Seeds

amber, body 0.6 mm, tails 0.4 mm.

dark tan, ellipsoid to lunate, 0.48–0.65–(0.7) mm, not tailed.
2n

= ca. 80.

Juncus parryi

Juncus greenei
Phenology Flowering and fruiting summer. Flowering and fruiting summer.
Habitat Exposed rocky slopes and stream banks in montane and alpine areas, conifer forests Usually dry, well-drained, sandy soil in pine lands, near lake shores, or among sand dunes and often associated with disturbance
Elevation 1500–4000 m (4900–13100 ft)
Distribution
from FNA
CA; CO; ID; MT; NV; OR; UT; WA; WY; AB; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
CT; IA; IL; IN; MA; ME; MI; MN; NH; NJ; NY; OH; PA; RI; VT; WI; NB; NS; ON; PE; QC
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 22. FNA vol. 22.
Parent taxa Juncaceae > Juncus > subg. Genuini Juncaceae > Juncus > subg. Poiophylli
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. 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. 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. 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. torreyi, J. trifidus, J. triformis, J. triglumis, J. trigonocarpus, J. uncialis, J. validus, J. vaseyi, J. xiphioides
Synonyms J. drummondii var. parryi
Name authority Engelmann Oakes & Tuckerman: American Journal of Science, and Arts 45:37. (1843)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Fabaceae, Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers