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Mesadenus
Family:
Orchidaceae
José Jesús Sánchez-Escalante
FNA
Resources
James D. Ackerman in Flora of North America (vol. 26)
Herbs, terrestrial, sympodial. Roots fasciculate, fleshy, villous. Stems erect, rhizomatous, short. Leaves several, basal, petiolate; blade not articulate, involute when immature, margins entire. Inflorescences terminal, laxly to densely flowered racemes, erect, scapose, slender. Flowers resupinate; perianth parts partially connate, apices spreading to recurved; sepals subsimilar, subparallel; dorsal sepal adherent to base of column; lateral sepals attached to column foot; petals adnate to dorsal sepal, falcate; lip auriculate, canaliculate; column arcuate, column foot present, clinandrium inflated; stigmas 2, confluent; rostellum narrow, notched; anther stalked, cordate, curved backward during anthesis, surpassing rostellum; pollinia 4, clavate, soft, mealy; viscidium ovate to subelliptic. Fruits capsules, erect, obliquely fusiform to ovoid.
Species within checklist:
Sonoran Desert Region
Mesadenus chiangii
Map not
Available
Mesadenus lucayanus
Map not
Available
Mesadenus polyanthus
Map not
Available
Mesadenus tenuissimus
Map not
Available
This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].
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