We value your privacy

We use cookies and other technologies to enhance your experience, analyse site usage, help with reporting, and assist in other ways to improve the website. You can choose to allow cookies and other technologies or decline. Your choice will not affect site functionality.

Click for help
Volume V (2000) - Flora of New Zealand Gramineae
Copy a link to this page Cite this record

Leymus Hochst.

Leymus Hochst., 1848

Type species: L. arenarius (L.) Hochst.

Rhizomatous perennials. Leaf-blade stiff, usually glaucous, with ± pungent tip. Inflorescence a linear spike with spikelets in groups of (1)-2-4-(7), at nodes of the tough rachis. Spikelets (1)-2-5-(7)-flowered; disarticulation between florets. Glumes 1-5-nerved, usually > ½ length of lemma, linear, subulate, or narrow-lanceolate, rounded or keeled, acute to shortly awned. Lemma 3-7-nerved, clothed in hairs, rounded or keeled near tip, acute to shortly awned. Palea folded, flank margins contiguous, hairy. Lodicules ciliate, simple. Ovary with conspicuous hairy corona. Caryopsis oblanceolate to oblong, ± grooved; embryo ⅕-¼ caryopsis.

Key

1
Spikelets paired at rachis nodes; glumes with scattered fine hairs
1. arenarius
Spikelets in 3s to 5s at rachis nodes, occasionally paired; glumes glabrous
2. racemosus

c. 40 spp. of temperate regions in Northern Hemisphere, and 1 sp. in Argentina. Naturalised spp. 2.

Click to go back to the top of the page
Top