Four new species of Drymonia (Gesneriaceae) from South America: Tributes to inspirational leaders Author Clark, John L. 0000-0002-1414-6380 Marie Selby Botanical Gardens, 1534 Mound St., Sarasota, FL 34236, USA text PhytoKeys 2025 2025-05-12 256 37 59 journal article 309781 10.3897/phytokeys.256.148263 290ffe41-02c8-4ba2-be2b-d78f0c6929c6

Table 1. General geographic distribution and comparison of morphological characters between Drymonia coccinea and the four new species described here (D. clavijoiae, D. katzensteiniae, D. rominieckiae, and D. silvaniae).

	Drymonia coccinea (Aubl.) Wiehler	Drymonia clavijoiae J. L. Clark	Drymonia katzensteiniae J. L. Clark	Drymonia rominieckiae J. L. Clark	Drymonia silvaniae J. L. Clark
Leaf blade length	6–20 cm	8–22 cm	> 30 cm	10–26 cm	13–27 cm
Corolla length	3.5–5 cm	4–5 cm	<2.5 cm	<3.5 cm	to 2.8 cm
Corolla color	Uniformly yellow or yellow with dark spots on lower lobes	Uniformly yellow or yellow with dark spots on lower lobes	Uniformly orange (rarely orange suffused with yellow)	Usually yellow with red patches on dorsal corolla lobes (lobes rarely yellow with thin red horizontal striations)	White with prominent horizontal red striations throughout the corolla lobes and throat
Inflorescence length	<10 cm	> 20 cm	5–7 cm	30 to 45 + cm	to 5 cm
Inflorescence bracts	<5	5–15	5–10	5–15	5–10
Inflorescence residue	Not gelatinous	Gelatinous residue conspicuous	Not gelatinous	Not gelatinous	Not gelatinous
Distribution	Widespread in Amazonia & Guiana Shield (Bolivia, Brazil, French Guiana, Guyana, Suriname, and eastern Peru)	Eastern Andean slopes (Ecuador, southern Colombia, and northern Peru)	Eastern Andean slopes of Ecuador (Morona-Santiago, Pastaza, and Napo)	Eastern Andean slopes of southern Ecuador and northern Peru	Eastern Andean slopes of southern Ecuador (Zamora-Chinchipe)