Vol. 28

Title:
BASSWOOD (TILIA AMERICANA L.) SEED GERMINATION

Author:
David E. Vanstone

pp: 566-569

Abstract:
Basswood seed has held the interest and caused the frustration of plant propagators for many years (1,2,4). This presentation is limited to American baswood (Tilia americana L.) seed. The seed is borne within a tough indehiscent pericarp and has a crustaceous testa, a fleshy, a yellowish endosperm, and a well-developed embryo. The seed normally matures in mid to late September, but may hang on the tree into winter. Since basswood seed persists on the tree, seed collection is often postponed until long after maturity.

It was reported about basswood seed nearly 50 years ago (3) that "the germ must have a year at least on the ground among the leaves and damp mold to ripen. In planting them it is, therefore, necessary to wait until the second spring for their germination." More recently, the summary of basswood germination in Seeds of Woody Plants in the United States (5) stated that "seed treatments that consistently result in good germination have not been developed." Certainly these

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