Jepson eFlora
Key to families | Table of families and genera

Key to Luzula

View taxon page for Luzula

1. Flowers 1(2–3) on inflorescence branches

2. Inflorescence branches generally at ± right angles; perianth part tip ± reflexed ..... L. divaricata

2' Inflorescence branches nodding to spreading but not at ± right angles; perianth parts appressed to erect, not reflexed

3. Plant < 30 cm; cauline leaves 2–3, basal leaves 3–4 mm wide; perianth parts generally dark brown ..... L. piperi

3' Plant 30–70 cm; cauline leaves (3)4–5, basal leaves 5–8 mm wide; perianth parts generally straw-brown ..... L. parviflora

4. Inflorescence few-flowered, branches long; perianth parts generally pale- to straw-brown ..... subsp. fastigiata

4' Inflorescence many-flowered, main branches long, distal 2° branches short; perianth parts medium brown ..... subsp. parviflora

1' Flowers in dense, ovoid to cylindric clusters, or entire inflorescence congested

5. Cauline leaf tips microscopically generally not thickened or rounded

6. Inflorescence dense, generally interrupted at base, nodding; basal leaves 1.5–3 mm wide, channeled ..... L. spicata

6' Inflorescence of 4–20 clusters on peduncles of variable length, not nodding, some peduncles occasionally arching or ± flexuous; basal leaves 3–6 mm wide, flat ..... L. subcongesta

5' Cauline leaf tips microscopically generally thickened and rounded

7. Inflorescence dense, ± black-brown; seeds 0.5–0.6 mm wide ..... L. orestera

7' Inflorescence of peduncled or ± sessile clusters, if dense then pale brown to straw-brown, otherwise not darker than brown; seeds > 0.7 mm wide

8. Seeds ovoid-subspheric, 0.9–1.1 mm wide; style 0.6–1.2 mm ..... L. subsessilis

8' Seeds ovoid or narrowly ovoid; 0.7–0.9 mm wide, style 0.4–0.7 mm ..... L. comosa

9. Inflorescence generally dense; style 0.4–0.5 mm; anthers 0.6–1 mm; seeds 1–1.2 mm, 0.8–0.9 mm wide ..... var. comosa

9' Inflorescence generally of peduncled clusters; style 0.5–0.7 mm; anthers 0.8–1.2(1.5) mm; seeds 1.1–1.3 mm, 0.7–0.8 mm wide ..... var. laxa


Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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