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2b. Luzula subg. Anthelaea (Grisebach) Buchenau, Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie. 12: 76, 86. 1890.
Luzula sect. Anthelaea Grisebach, Spic. Fl. Rumel. 2: 404. 1846
Leaves: apex generally not callous. Inflorescences paniculate or dichasial. Flowers in pairs, rarely in clusters of 3--4 or solitary. Seeds: micropylar end with tuft of hairs; caruncle barely visible or absent.
Species 20+ ca. 50 (6 in the flora): Northern Hemisphere.
SELECTED REFERENCE Hämet-Ahti, L. 1971. A synopsis of the species of Luzula, subgenus Anthelaea Grisebach (Juncaceae) indigenous in North America. Ann. Bot. Fenn. 8: 368--381.
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| 1 |
Tepals whitish to pinkish |
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3a subsp. luzuloides |
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Tepals straw-colored to dark brown. |
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(2) |
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| 2 (1) |
Apex of tepals long-acuminate, reflexed; inflorescence branches widely spreading to 90°, stiff |
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4 Luzula divaricata |
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Apex of tepals acute, not reflexed; inflorescence branches spreading less than 90°, lax. |
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(3) |
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| 3 (2) |
Tepals 2.5--3.5 mm; capsule ± equaling tepal length, ovoid, distinct beak to 1 mm |
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5 Luzula hitchcockii |
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Tepals 2.5 mm or shorter; capsule shorter than 2.5 mm, never ovoid, distinct beak absent. |
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(4) |
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| 4 (3) |
Culms commonly (20--)30--100 cm; margins of inflorescence bracts and bracteoles entire to lacerate |
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8 Luzula parviflora |
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Culms commonly less than 30 cm; margins of inflorescence bracts and bracteoles ciliate. |
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(5) |
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| 5 (4) |
Proximal inflorescence bract to 1 cm; stigmas 2 times style length; seeds dark reddish brown |
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6 Luzula wahlenbergii |
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Proximal inflorescence bract 0.8--1.5 cm; stigmas 5 times style length; seeds light yellow-brown |
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7 Luzula piperi |
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