Ruiz & Pavón

Flora Peruviana 3: 37. 1802.

Etymology: for A. Guzman, an 18th-century Spanish naturalist
Treatment appears in FNA Volume 22. Treatment on page 296.

Herbs, usually epiphytic, stemless to rarely caulescent. Leaves many-ranked, usually ligulate, margins entire. Inflorescences 5–many-flowered, many-ranked, mostly 2-pinnate to less commonly single spike, flowers laxly to densely arranged; floral bracts broad, conspicuous, mostly obscuring rachis. Flowers bisexual; sepals distinct to connate over 1/2 length, usually symmetric; petals with claws adherent to subconnate petal, forming short tube, blade distinct; stamens usually included, adherent to adnate with petal claws; ovary superior. Capsules cylindric, dehiscent. Seeds with basal, usually tan-brown plumose appendage.


Widespread in the moist Neotropics.


Species ca. 160 (1 in the flora).