bignoni question

Richard Jensen rjensen at SAINTMARYS.EDU
Wed May 21 13:44:24 CDT 1997

The two species can be separated by several characters of corolla (size,
degree of "spotting," presence of notch on upper limb) and the fruits and
seeds (do the fruit valves retain their terete shape after dehiscence,
are the seeds tapered at the ends or not).  These are, admittedly, not
striking diffferences, but they apparently illustrate sufficient
constancy to warrant recognition of two species. (check Gray's Manual,
Britton & Brown, etc. for details).

I am not aware of any reports of hybridization.

Richard J. Jensen      |   E-MAIL: rjensen at
Dept. of Biology       |   TELEPHONE: 219-284-4674
Saint Mary's College   |   FAX: 219-284-4716
Notre Dame, IN  46556  |

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