T r e e s  o f  N o r t h  C a r o l i n a

A n g i o s p e r m s  ( f l o w e r i n g  p l a n t s )

L e a v e s  o p p o s i t e,  s i m p l e,  l o b e d

Linear key | Dichotomous key

1. Leaves (at least some) asymmetrically lobed…Broussonetia

1. Leaves symmetrically lobed…2.

2. Leaves 3-9-lobed, margins serrate or entire; fruit a schizocarp of 2 samaroid    mericarps  (maple “keys”)…Acer

2. Leaves 3-5-lobed, margins entire (sometimes toothed in Paulownia); fruit a capsule…3.

3. Flowers white to yellow; capsules linear, >10× as long as wide; leaf undersurface with curly simple hairs; nectar glands present in the main vein axils on the undersurface of the leaf (visible from the underside or the upperside in fresh leaves and herbarium specimens)…Catalpa

3. Flowers lavender; capsules ellipsoid, < 2× as long as wide; leaf undersurface with branched (dendritic) stellate hairs; nectar glands absent…Paulownia