Contains 3 accepted taxa overall.
Characteristics
Classification
Citation
EUSTACHYS Desvaux, Nouv. Bull. Sci. Soc. Philom. Paris 2: 188. 1810.
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TYPE: Eustachys petraea (Swartz) Desvaux (Chloris petraea Swartz)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Eustachys glauca | Saltmarsh Finger-grass | |||
| Eustachys petraea | Dune Finger-grass | |||
| Eustachys retusa | Argentine Finger-grass |
Identification Key
1. Spikelets 2.4-3.7 mm long
2
1. Spikelets 1.5-2.5 mm long
4
2. Inflorescence branches 1-3; spikelets 3-3.7 mm long; lower lemma awn 0.4-0.6 mm long
2. Inflorescence branches (3)4-36; spikelets 2.4-3 mm long; lower lemma awn 0.7-1.2 mm long or only mucronate
3
3. Inflorescence branches 10-36, lax and curvaceous; keel of lower lemma glabrous
3. Inflorescence branches (3)4-9, stiff; keel of lower lemma pubescent
4. Culms 60-150 cm long; inflorescence branches 8-24; lower lemma veins and keel glabrous or with few hairs
4. Culms 20-80(100) cm long; inflorescence branches (1)4-15; lower lemma veins or keels pubescent
5
5. Inflorescence branches 8-15; keel of lower lemma glabrous, lateral veins with white hairs 1-2 mm long
5. Inflorescence branches (1)4-11; keel and lateral veins of lower lemma densely pubescent, hairs to 1 mm long
6
6. Lower lemma pale to reddish brown, lateral vein hairs spreading, white, and 0.5-1 mm long; upper sterile lemma 1.3-1.5 mm long
6. Lower lemma dark brown to nearly black, lateral veins hairs appressed, brown, and 0.1-0.4 mm long; upper sterile lemma 0.8-1(1.2) mm long
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||