Abstract
Serjania communis Cambess. (Sapindaceae) is a plant with climbing habit and occurs relatively often in Parana State, Brazil. The fruits were collected at the 'Parque dos Pioneiros' a remnant of subtropical forest in Maringa, Parana State, Brazil. The seedlings obtained in the greenhouse were described according to traditional techniques in plant morphology. Seedlings were embedded in historesin and sectioned in rotation microtome. The fruit is the samaroid type, the seeds have about 3 mm in length and brown color. Seedlings are epigeal phanerocotylar. The seedlings have a hairy hypocotyl, foliaceous cotyledons, reduced epicotyl, and two opposite eophylls. The root is diarch, the hypocotyl shows root-stem transition structure, stem epicotyl, and dorsiventral and hypostomatous cotyledons and eophylls. 'Tirodendros' with 45 days of age do not develop cambial variant.
Highlights
Serjania Mill. is a genus composed of species with climbing habits, belonging to Sapindaceae and containing approximately 226 species spread from the Southwest United States to the North of Argentina
The roots, hypocotyls, epicotyls, cotyledons and the eophylls were fixed in FAA 50 (JOHANSEN, 1940) and Glutaraldehyde (KARNOVSKY, 1965), embedded in historesin (GERRITS, 1991), cross-sectioned on a rotation
The phanerocotylar seedlings observed for Serjania communis, which are similar to those seedlings of Allophylus edulis (Saint-Hilaire) Radlkofer, are not common in Sapindaceae
Summary
Serjania Mill. is a genus composed of species with climbing habits, belonging to Sapindaceae and containing approximately 226 species spread from the Southwest United States to the North of Argentina. Is a genus composed of species with climbing habits, belonging to Sapindaceae and containing approximately 226 species spread from the Southwest United States to the North of Argentina. In Brazil, there are 92 species recognized, of which 47 are endemic. The species are more often found in wet environments than in dry or open environments (ACEVEDO-RODRÍGUEZ, 1990). Lianas are significant representatives and of great importance for the structure of Tropical Forests (PUTZ, 1984). Most of the climbing species are heliophytes, that is, species that develop where there is abundant light. In order to reach the light over the
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