Thamnea Sol. ex Brongn.
publication ID |
https://doi.org/ 10.1002/tax.604016 |
DOI |
https://doi.org/10.5281/zenodo.7590474 |
persistent identifier |
https://treatment.plazi.org/id/039B276C-FFCB-FFCD-FCE3-FBCDFF6FFEAA |
treatment provided by |
Tatiana |
scientific name |
Thamnea Sol. ex Brongn. |
status |
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3. Thamnea Sol. ex Brongn. View in CoL View at ENA
in Ann. Sci. Nat. (Paris) 8: 386, t. 38. 1826, nom. cons. (McNeill & al., ICBN: 405. 2006) pro Thamnia P. Browne (Flacourtiaceae) ; Pillans in J. S. African Bot. 13: 143. 1947
– Type: Thamnea uniflora (L.) Sol. ex Brongn View in CoL .
= Pseudobaeckea Nied. in Engler & Prantl, Nat. Pflanzenfam. 2a: 136. 1891 p.p. quoad P. teres Dümmer. View in CoL
Growth form: ericoid dwarf shrubs, prostrate, often in rock crevices; lignotubers present. Leaves: ± imbricate, sessile, slightly appressed; stipules minute (not seen in T. teres ); hypostomatic (epistomatic in T. teres ), stomata not surrounded by cuticular rim (except T. teres ). Flowers: solitary, sessile (except T. hirtella ), on bracteate short shoots with 8–12 bracts ( T. teres ) or at top of leafy shoots subtended by uppermost involucre-like leaves (remaining species). Petals: free, unguiculate, recurved, white, usuallywithpinklowerhalf (“claw”) or with red stains in lower half ( T. teres ), pale pink ( T. ustulata ) or completely pink ( T. massoniana ), with 2 separate, rather narrow, parallel ridges not fused at base. Scent: occasionally present and sweet ( T. massoniana , T. diosmoides ). Stamens: included or shortly exserted; anthers linear or linear-oblong, thecae parallel, free only in basal part. Pollen: 3-colporate, except T. ustulata and T. hirtella with 4 or 5 pollen colpi, tectum granular. Ovary: inferior (up to half-inferior in T. teres ), 1- or 2-locular with 2–8 ovules per locule, topped by a ring-shaped nectary (not in T. thesioides , T. massoniana , and T. gracilis ). Styles: 1 or 2, ± shortly exserted, united (free in T. teres ). Fruit: 1-seeded, dry, indehiscent. Habitat: on well-drained soils at high altitudes (>1000 m) with moisture-bearing clouds ( T. teres ). Flowering time: December–February ( T. massoniana ), April–July ( T. hirtella ), October–November ( T. teres ), or September–November (remaining species). Species: 9 spp.; restricted tomountainslopesinsouth-westernpartof Western Cape.
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Thamnea Sol. ex Brongn.
Claßen-Bockhoff, Regine, Oliver, Edward G. H., Hall, Anthony V. & Quint, Marcus 2019 |
Pseudobaeckea
Engler & Prantl 1891: 136 |