Contains 4 accepted taxa overall.
Characteristics
Classification
Citation
COELORACHIS Brongniart, in Duperry, Voy. Monde, Bot. 2: 64. 1831 ("1829").
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TYPE: Coelorachis muricata (Retzius) Brongniart (Aegilops muricata Retzius)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Coelorachis cylindrica | CAROLINA JOINTTAILGRASS | Native FAC (NWPL) FAC (DEP) | ||
| Coelorachis rugosa | WRINKLED JOINTTAILGRASS | Native OBL (NWPL) FACW (DEP) | ||
| Coelorachis tessellata | LATTICE JOINTTAILGRASS | Native FACW (NWPL) FACW (DEP) | ||
| Coelorachis tuberculosa | FLORIDA JOINTTAILGRASS; PIEDMONT JOINTGRASS | Native Threatened-State OBL (NWPL) FACW (DEP) |
Identification Key
1. Culms and sheaths terete; sessile spikelet lower glumes with pits along the veins, medially smooth or with rectangular pits
1. Culms and sheaths flattened and keeled; sessile spikelet lower glumes smooth, rugose, or with ridges or rectangular pits
2
2. Spikelets 2.1-2.4 mm wide; sessile spikelet lower glumes with rectangular pits
2. Spikelets 1.3-2 mm wide; sessile spikelet lower glume rugose or smooth
3
3. Rachis distinctly indented below sessile spikelets; sessile spikelet lower glume conspicuously transversely rugose
3. Rachis not indented below sessile spikelets or only slightly so; sessile spikelet lower glume smooth to lightly transversely rugose
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Apogonia | Apogonia (Nuttall) E. Fournier, Mexic. Pl. 2: 63. 1886. | BASIONYM: Rottboellia Linnaeus f., sect. Apogonia Nuttall, Gen. N. Amer. Pl. 1: 83. 1818. | TYPE: Non designatus. |
| Lasiurus | Lasiurus Boissier, Diagn. Pl. Orient., ser. 2. 4: 145. 1859. | TYPE: Lasiurus hirsutus Boissier, nom. illegit. (Rottboellia hirsuta Vahl, nom. illegit.; Triticum aegilopoides Forsskal) |