Commemorating a conservation trifecta: Three new species of Glossoloma (Gesneriaceae) honoring a donor, a family of forest stewards, and a conservation visionary Author Clark, John L. 0000-0002-1414-6380 Marie Selby Botanical Gardens, 1534 Mound St., Sarasota, FL 34236 USA text PhytoKeys 2026 2026-03-04 271 173 185 journal article 314379 10.3897/phytokeys.271.181141 7fc3656d-5b58-4f1b-8396-d6103e4e04ab

Table 1. Geographic distribution (Ecuadorian provinces in parentheses) and diagnostic morphological characters differentiating Glossoloma jostii, G. puroana, G. recaldeorum, and G. wiehleri.

	Glossoloma jostii J. L. Clark	Glossoloma puroana J. L. Clark	Glossoloma recaldeorum J. L. Clark	Glossoloma wiehleri J. L. Clark & Tobar
Leaf shape	oblong	oblong	ovate	oblong
Leaf texture	leaves brittle when dry	leaves chartaceous (not brittle when dry)	leaves chartaceous (not brittle when dry)	leaves coriaceous (not brittle when dry)
Leaf size	5–10 × 1.5–3 cm	15–20 × 4.5–7.0 cm	3–4 × 1.5–2.0 cm	9.3–12.5 × 5–6.7 cm
Leaf indumentum	hispid	sericeous	pilose	velutinous
Inflorescence bracts	absent	present	absent	present
Flowers per axil	single	multiple	single	multiple
Calyx lobes	valvate or separate	conduplicate	conduplicate	conduplicate
Corolla shape	ampliate and apically constricted	nearly tubular and not apically constricted	ampliate and not apically constricted	ampliate and not apically constricted
Corolla compression	laterally compressed	laterally compressed	rounded (not laterally compressed)	rounded (not laterally compressed)
Corolla surface	smooth	ridged or ribbed	smooth	smooth
Distribution	eastern Andean slopes – Pastaza Valley (Tungurahua)	eastern Andean slopes – Pastaza Valley (Tungurahua)	eastern Andean slopes – Pastaza Valley (Tungurahua)	western Andean slopes of northern Ecuador (Pichincha)