Class
Order
Family
Classification
Subordinate Taxa
Nomenclature
Scientific Name:
Trisetum Pers., Syn. Pl. [Persoon] 1, 97 (1805)
Description
Perennials, tufted or rhizomatous; branching extravaginal or rarely intravaginal. Ligule membranous, truncate or rounded, often ciliolate. Leaf-blades linear, narrow, flat or involute. Inflorescence a contracted to lax panicle. Spikelets 2-several-flowered, laterally compressed; disarticulation above glumes and between lemmas; rachilla usually hairy, prolonged. Glumes unequal to subequal, < to ≈ spikelets, keeled, not awned; lower 1–3-nerved, upper 3–5-nerved. Lemma membranous to thinly coriaceous, 3–7-nerved, keeled, bidentate or bicuspid, dorsally awned from upper ½; awn reflexed, or geniculate (not N.Z. spp.). Palea gaping, silvery, thinner than lemma, 2-keeled. Callus short, hairy. Flowers ☿, chasmogamous or cleistogamous. Lodicules 2, membranous, glabrous or ciliate. Stamens 3. Ovary glabrous; styles free. Caryopsis slightly compressed laterally; embryo small; hilum short; endosperm liquid. Fig. 10.
[From: Edgar and Connor (2000) Flora of New Zealand. Volume 5 (second printing).]
Biostatus
Indigenous (Non-endemic)
| Category | Number |
|---|---|
| Indigenous (Endemic) | 7 |
| Indigenous (Non-endemic) | 2 |
| Exotic: Casual | 1 |
| Total | 10 |
Bibliography
Mabberley, D.J. 2008: Mabberley's plant book, a portable dictionary of plants, their classification and uses. Edition 3. Cambridge University Press.
Persoon, C.H. 1805: Synopsis plantarum, seu enchiridium botanicum, complectens enumerationem systematicam specierum hucusque cognitarum. Vol. 1. Cramerum et Tubingæ, Paris.
