Flora of North America species comparison

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Juncus hemiendytus

Juncus hemiendytus var. hemiendytus

blood rush, dwarf rush, Herman's dwarf rush, Hermann's dwarf rush, juncus hemiendytus
Photo is of parent taxon

dwarf rush, Herman's dwarf rush, Hermann's dwarf rush, vernal pool rush
Habit Herbs, annual, cespitose, 0.03–0.36 dm.
Culms

to 5.

not dilated directly proximal to flower, 0.1–0.3 mm diam.
Leaves

to 1.8 cm, 1/2–1 1/3 height of plant.

Inflorescences

solitary flowers.

bracts subtending inflorescence 1–2, rounded to obtusely ovate, 1–2 mm.
Flowers

2-merous;

: tepals 4(–6), erect to recurved at maturity, reddish, 1.5–3 × 0.5–1.2 mm;

outer and outer series nearly equal, apex rounded to acute;

stamens 2(–3), filaments 0.5–1.4 mm, anthers 0.3–0.7 mm;

style 0.1–0.4 mm, stigma 2(–3), 0.3–1 mm.

Capsules

reddish, 2–- or 3-locular, obovoid to ellipsoid or oblate, 1.9–3.5 × 1–2 mm.

usually longer than tepals.
Seeds

ovoid to oblate, 0.3–0.55 mm.

n

= 16.

Juncus hemiendytus

Juncus hemiendytus var. hemiendytus
Phenology Flowering and fruiting spring–early fall.
Habitat Various damp open habitats including vernal depressions, streambeds, swales in sagebrush flats, forest clearing and alpine meadows
Elevation 400–3200 m (1300–10500 ft)
Distribution
from USDA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; NV; OR; UT; WA
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Bracts proximal to inflorescence, 1–2
var. hemiendytus
1. Bracts proximal to inflorescence absent
var. abjectus
Source FNA vol. 22, p. 232. FNA vol. 22.
Parent taxa Juncaceae > Juncus > subg. Graminifolii Juncaceae > Juncus > subg. Graminifolii > Juncus hemiendytus
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. 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
J. hemiendytus var. abjectus
Subordinate taxa
J. hemiendytus var. abjectus, J. hemiendytus var. hemiendytus
Synonyms J. brachystylus, J. brachystylus var. uniflorus, J. triformis var. uniflorus J. brachystylus var. uniflorus, J. triformis var. uniflorus
Name authority F. J. Hermann: Leaflets of Western Botany 5: 118. (1948) unknown
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).



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