| Home | > | List of families | > | Poaceae | > | Dichanthium | > | annulatum |
| Synonyms: |
Andropogon annulatus Forssk. Andropogon obtusus Nees Andropogon scandens Roxb. Lepeocercis annulata (Forssk.) Nees |
| Common names: | |
| Frequency: | |
| Status: | Native |
| Description: |
Tufted, decumbent or erect, perennial with short rhizomes. Culms robust, up to 2 m high; nodes exposed and densely bearded. Inflorescence of 2-many, subdigitate, shortly pedunculate racemes; culm below the inflorescence glabrous. Racemes with the lowest 1-6 spikelet pairs homogamous, male or neuter. Sessile spikelets: lower glume of the sessile spikelet is pubescent to pilose below the middle, with bulbous-based hairs confined to the margins above (var. annulatum); lower floret barren; upper floret stipitiform, awn c. 25 mm long. Pedicelled spikelets similar or slightly smaller than the sessile spikelet, male or neuter. Two varieties occur in our area. See var. papillosum for comparison. |
| Notes: | |
| Derivation of specific name: | annulatum: having a ring |
| Habitat: | In sandy riverbeds, river margins, lake shores, grassy floodplains and riverine forest margins, occasionally on roadsides. |
| Altitude range: (metres) | 100 - 1460 m |
| Flowering time: | |
| Worldwide distribution: | Widespread in tropical and subtropical Africa and eastwards through Arabia and India to SE Asia; introduced in tropical America and Australia. |
| Zimbabwe distribution: | N,W,C,S |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Cope, T.A. (2002). Poaceae Flora Zambesiaca 10(4) Pages 38 - 40. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 102. Setshogo, M.P. (2000). Notes on the grass subtribe Sorghinae (Poaceae: Andropogoneae) in the Flora Zambesiaca area Kirkia 17(2) Pages 142 - 143. as Dichanthium annulatum Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 134. |
| Home | > | List of families | > | Poaceae | > | Dichanthium | > | annulatum |