Luzula pallidula |
Luzula bulbosa |
|
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Eurasian woodrush, pale European wood rush |
bulbous wood rush |
|
Rhizomes | thickened. |
short, slender, bearing few to several white, swollen (storage) leaf bases. |
Culms | cespitose, 9–35 cm. |
weakly cespitose or solitary, 8–40 cm. |
Leaves | basal leaves 6–11.5 cm × 1.5–4 mm, apex not callous, sparingly ciliate. |
basal leaves few; cauline leaves 2–3, to 17 cm × 7 mm, margins scarcely to densely ciliate. |
Inflorescences | umbellate-paniculate; glomerules 4–30 (each with 9–24 flowers), central glomerules sessile or nearly sessile, cylindric, 6–10 × 4 mm; branches straight, erect, to 3 cm; proximal inflorescence bract conspicuous, leaflike, equal to much longer than inflorescence; bracts clear, sometimes variegated with purple; bracteole margins dentate to lacerate. |
glomerules 3–20 (each with 6–20 flowers), central glomerules sessile or nearly sessile, cylindric, 5–12 × 5–7 mm; peduncles straight, erect, 0.5–7 cm; proximal inflorescence bract leaflike (margins pilose), shorter than inflorescence, margins pilose; bracts purplish with long clear apex, sheathing, margins sparsely to densely ciliate; bracteoles white-clear, shining, margins fimbriate. |
Flowers | tepals clear to straw-colored throughout or centers brown with clear margins and apex, 1.5–2.6 mm; outer whorl exceeding inner whorl, (outer whorl apex awned); anthers equaling to 1.5 times filament length. |
tepals with shining chestnut centers and usually wide clear margins and apex, 2–3 mm; outer whorl usually exceeding inner whorl, at least by awned tip; anthers 1–2 times filament length; stigmas 3–4 times length of styles. |
Capsules | light or dark reddish, shining, spheric, usually equaling inner tepal whorl. |
brown, shining, obovoid (apex truncate), equal or longer than tepals, apex truncate. |
Seeds | translucent brown, ellipsoid, 0.7–1 mm; caruncle 0.2–0.3 mm. |
dark brown, ellipsoid, 0.9–1.3 mm; caruncle 0.5–0.7 mm. |
2n | = 12. |
= 12. |
Luzula pallidula |
Luzula bulbosa |
|
Phenology | Flowering and fruiting early–late summer. | Flowering and fruiting spring–early summer. |
Habitat | Moist to wet woods, grassy places, and clearings on rocky places and barrens | Dry situations in woods and fields 50–600 m |
Elevation | 0–1000 m (0–3300 ft) | |
Distribution |
NY; VT; NB; NF; QC; Eurasia [Introduced in North America] |
AL; AR; CT; DC; DE; FL; GA; IL; IN; KS; KY; LA; MA; MD; MO; MS; NC; NJ; NY; OH; OK; PA; SC; TN; TX; VA; WV
|
Discussion | Basal leaves of Luzula pallidula are sparingly ciliate. For discussion of the change of the widely known name for this species, see J. Kirschner (1990). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Luzula bulbosa has slender rhizomes that bear few to several white, swollen (storage) leaf bases; cauline leaves (numbering 2–3) have scarcely to densely ciliate margins; flowers have stigmas 3–4 times the length of the styles. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 22. | FNA vol. 22. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Juncus pallescens, L. pallescens | L. campestris var. bulbosa |
Name authority | Kirschner: Taxon 39: 110. (1990) | (A. Wood) B. B. Rydberg: Brittonia 1: 85. 1931Smyth, B. B. & L. C. R. Smyth, Trans. Kansas A |
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