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Palaeoraphe dominicana
Taxonomy
Palaeoraphe dominicana was named by Poinar (2002). It is considered to be a form taxon. Its type specimen is Sd–9–158 (Dominican amber), a flower (flower), and it is an inclusion in amber. It is the type species of Palaeoraphe.
Synonymy list
Year | Name and author |
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2002 | Palaeoraphe dominicana Poinar |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Palaeoraphe dominicana Poinar 2002
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Diagnosis
Reference | Diagnosis | |
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G. Poinar 2002 | Perfect flower; calyx of three broad sepals, connate for more than half their length, their apices irregular to fringed; petals 3, united basally in a tube as long as sepals, valvate apically, furrowed adaxially; stamens 6, borne at the mouth of the corolla tube, fil- aments connate into a 6-lobed ring, lobes triangular, tapering to narrow tips. Stamens opposite petals reflexed with the anthers resting on the middle of three depressions on the adaxial surface of the petal; stamens alternate with the petals, partially erect. Anthers broadly elliptical, dorsifixed, dehiscence latrose; carpels basically distinct, strongly ridged and resembling the unexpanded cotyledons of a walnut; styles fused for most of their length, with their tips recurved, stigmas flattened.
Greatest diameter of flower, 10.8 mm; distance from stigmas to base of calyx tube, 4.4 mm; length of petals, 5.7 mm; largest diameter at base of ovary, 1.7mm; length of stamens, 2.7mm; length filaments, 1.5mm; length of anthers, 1.1mm; petals with three depressions on the adaxial surfaces, inner depression 1.4 mm long, containing reflexed anther, outer depressions flanking anther, 1.6 mm and 1.7 mm long, respectively; styles, petals and stamens glabrous. |