The genus Dionysia (Primulaceae), a synopsis and five new species
The genus Dionysia (Primulaceae), a synopsis and five new species
The genus Dionysia (Primulaceae), a synopsis and five new species
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Willdenowia 37 – 2007 53<br />
34. <strong>Dionysia</strong> gaubae Bornm. in Feddes Repert. Spec. Nov. Regni Veg. 41: 179. 1937. – Holotype:<br />
Iran, Luristan, Khorramabad, Pole-Kalhor, 4.1936, Gauba (B).<br />
This rare <strong>species</strong> was recently refound (Lorestan: Peesh Kuh [32.58.26; 49.37.21], 2450 m.<br />
6.5 2002, T4Z 190, UPS). Its closest relative appears to be <strong>Dionysia</strong> odora, which differs in crispate-hairy<br />
leaves, more discrete leaf whorls <strong>and</strong> not strongly reflexed marcescent leaves.<br />
<strong>Dionysia</strong> gaubae var. megalantha Lidén, var. nov.<br />
Holotype: Iran, Lorestan: Peesh Kuh, T4Z 1028 (UPS) – Fig. 4.<br />
Caespites densiusculi efarinosi, caulis foliatus ramosus foliis marcescentibus valde revolutis<br />
obsitus. Folia viridia, obovata vel oblanceolata, hirsuta obsita, pilis longitudine varia gl<strong>and</strong>uliferis<br />
praeter pilis longissimis egl<strong>and</strong>ulosis. Flos plerumque solitarius, sessilis. Bracteae anguste<br />
oblanceolatae non vel parce dentatae, dense gl<strong>and</strong>uloso-hirsutae. Calyx 8-10 mm longus,<br />
ad 4 /5 in lobis anguste oblongis fissus, extus et intus dense gl<strong>and</strong>uloso-hirsutus. Corolla laete<br />
flava, 20-28 mm longa, saepe leviter curvata, extus dense gl<strong>and</strong>uloso-hirsuta limbo 13-16 mm<br />
lato lobis ellipticis vel obovatis integris. In flore longistylo stylus ex corolla manifeste excertus.<br />
Ovarium 5-ovulatum. Capsula ignota.<br />
Etymology. – From Greek megalos = very big <strong>and</strong> anthos = flower.<br />
Fig. 4. A-B: <strong>Dionysia</strong> gaubae var. megalantha – flower (A); leaf, left adaxial view, right abaxial view (B);<br />
cutting from holotype cultivated in the Göteborg Botanic Garden. – C: D. odora – flowering plant; Prov.<br />
Kermanshah, Kuh-e-Parou, KMZ 9511, cultivated Göteborg Botanic Garden. – D: D. gaubae var. gaubae –<br />
flowering plant; T4Z 190, cultivated Göteborg Botanic Garden.
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