capitate rush, dwarf rush, leafy-bract dwarf rush
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Hall's rush
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Herbs, annual, cespitose, 0.3–1 dm. |
Herbs, perennial, strongly tufted, to 4 dm. |
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densely short-branched. |
to 20. |
terete. |
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several. |
basal; auricles absent; blade 0.5–2.5 cm × 0.5 mm. |
auricles 0.2 mm, apex acutish to rounded, scarious; blade 4–15 cm. |
glomerules 1–2, each with 2–10(–14) flowers; bracts subtending inflorescence 1(–2), foliose, clearly surpassing inflorescence. |
2–7-flowered, loose to congested; primary bract usually longer than inflorescence. |
tepals 6, tan to brownish, subulate, lanceolate-ovate, 3.5–4.5(–5) mm, 2 times length of inner tepals, margins scarious; inner series delicate, shorter, apex acute; stamens 3, filaments 1 mm, anthers 0.5 mm; style 0.4–0.7 mm. |
pedicellate; bracteoles ovate; tepals light brown with green midstripe, lanceolate or widely so, 4–5 mm, margins scarious; inner series loosely subtending capsule at maturity, shorter; stamens 6, filaments 0.8 mm, anthers 0.8–1.1 mm; style 0.2 mm. |
tan to reddish brown, 3-locular, globose to obovoid, 1.2–1.7 mm, shorter than tepals. |
brown, 3-locular, oblong-ovoid, 3.5–5 × 1.5–1.9 mm, slightly exceeding perianth. |
ellipsoid-ovoid, 0.3–0.4 mm. |
amber, body 0.5 mm, tails 0.3 mm. |
= 18. |
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Flowering and fruiting spring. |
Flowering and fruiting summer. |
Moist to wet areas, usually in sandy, often disturbed soil such as roadsides or along trails |
Exposed slopes, stream banks, and meadows in montane and alpine areas |
below 1000 m (below 3300 ft) |
1600–3000 m (5200–9800 ft) |
CA; LA; OK; TX; native; Africa (north); Europe; Asia (Near East) [Introduced in North America]
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CO; ID; MT; UT; WA; WY |
FNA vol. 22. |
FNA vol. 22. |
Juncaceae > Juncus > subg. Graminifolii |
Juncaceae > Juncus > subg. Genuini |
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. 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. 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. 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 |
Weigel: Observ. Bot. 28. (1772) |
Engelmann |
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