Transcript Catalpa

BIGNONIACEAE
Current
Angiosperm
Phylogeny
Group Tree
for Flowering
Plants
Bignoniaceae,
LAMIALES
LAMIALES
Acanthaceae
Bignoniaceae
Byblidaceae
Carlemanniaceae
Cyclocheilaceae
Lamiaceae
Lentibulariaceae
Martyniaceae
Myoporaceae
Orobanchaceae
Paulowniaceae
Pedaliaceae
Phrymaceae
Plantaginaceae
Schlegeliaceae
Scrophulariaceae
Stilbaceae
Verbenaceae
Bignoniaceae
Lamiales version of Asterids with
•opposite, compound leaves
•seeds with wings of hair
Catalpa - North American Bignoniaceae
BIGNONIACEAE (LAMIALES, EUASTERIDS I)
NUMBERS: 100 Genera, 800 sp ecies
GEOGRAPHY: mainly tropical, best developed in tropical A merica
HABITAT: va rious ; comm one st in d rier, lower forests
ASTERIDAE CHARA CTERS: fused petals , two carpell ate gynoec ium, stamens equa l to
or fewer than petals , adna te to petals , disk present
LAMIALES CHARA CTERS: leave s opposite, bilaterally symm etrical flowers wit h
stamens fe wer than coroll a lobes, supe rior ova ry, fruit a capsule
CHARAC TERS DIAGNOSTIC OF FAMILY:
Hab it woody : trees or lia nas (there are an awful lot of li anas )
Leave s compound (or rarely s im ple) and usuall y oppo site; tend rils when present are
trans forme d leaf tips
Flowers large and co lorful (or poorly co lored in ba t-poll inated Crescentia, Enallagma)
Gynoec ium stigmas, sens iti ve to touch , close together to conceal receptive portion ;
ovules many per carpel
Fruit usua ll y an elonga te capsule dehiscing to yield seeds wit h hairs matted into a wing;
ano malous spher ic al, ind ehiscent fruit s in Crescentia and Enallagma have fleshy
hair s
Tabebuia - common in drier neotropics
Spathodea - ubiquitous ornamental
Lianas area common in the Bignoniaceae.
Cydistus
Anisostichus
anomalous
wood in the
lianas
Crescentia - the calabash
Kigelia - the sausage tree of Africa