Asimina tribloba (L.)
Pawpaw is a deciduous tree that grows
from 9-30 ft tall. The leaves are oblong, 5 - 10" long,
narrow at the base, widest at the midpoint. This small
deciduous tree typically occurs in large numbers in
colonies, or "patches." Flowers dull-purple, drooping
petals, curved backwards, 1 - 2" across, appear before
the foliage, and includes 3 green sepals that enclose 6
petals in two cycles. The outer petals are triangular.
Crushed leaves have an unpleasant odor and the
green-brown fruit is cylindrical, slightly curved, 3 -
5" long; soft pulp has a banana flavor when ripe. Both
the leaves and seeds, when crushed, have insecticidal
properties.
Pawpaw flowers from February thru May
and fruits ripen June thru August. It grows in deciduous
woods and along river bottoms. The fruit is edible but
the seeds are toxic.
The pawpaw is the largest edible
fruit native to America. Individual fruits weigh 5 to 16
ounces and are 3 to 6 inches in length. The larger sizes
will appear plump, similar to the mango. The fruit
usually has 10 to 14 seeds in two rows. The brownish to
blackish seeds are shaped like lima beans, with a length
of 1/2 to 1-1/2 inches. Pawpaw fruits often occur as
clusters of up to nine individual fruits. The ripe fruit
is soft and thin skinned. It is green when unripe,
maturing to yellow or brown. It has a flavor somewhat
similar to both banana and mango, varying significantly
by cultivar, and has more protein than most fruits.
When ripe, it is soft and yields
easily to a gentle squeeze, and has a pronounced
perfumed fragrance. The skin of the green fruit usually
lightens in color as it ripens and often develops
blackish splotches which do not affect the flavor or
edibility. The yellow flesh is custard-like and highly
nutritious. The best fruit has a complex, tropical
flavor unlike any other temperate zoned fruit. At
present, the primary use of pawpaws is for fresh eating
out of hand. The ripe fruit is very perishable with a
shelf life of 2 or 3 days, but will keep up to 3 weeks
if it is refrigerated at 40° - 45° F.
Pawpaw trees are relatively
disease-free, including a resistance to Oak Root Fungus
(Armillaria). A number of animals such as foxes,
opossums, squirrels and raccoons will eat the fruit,
although deer, goats and rabbits will not eat the leaves
or twigs. The Zebra Swallowtail butterfly's larvae feed
exclusively on young pawpaw foliage, but never in great
numbers.
Poor pollination has always been a
problem with the pawpaw in nature, and the problem has
followed them into domestication. Pawpaw flowers are
perfect, in that they have both male and female
reproduction parts, but they are not self-pollinating.
The stigma is receptive before the pollen is shed from
the anthers of the same flower. In addition, pawpaws are
self-incompatible, requiring cross pollination from
another unrelated pawpaw tree. Bees show no interest in
pawpaw flowers. The task of pollination is left to
unenthusiastic species of flies and beetles.
Here are some recipes for using
pawpaw:
Pawpaw Bread
1 c. melted butter
2 c. sugar
4 eggs
2 c. pawpaw pulp
1 Tbsp. lemon juice
4 c. sifted all-purpose flour
2 tsp. baking powder
3 c. pecan pieces plus 16 pecan
halves
Preheat oven to 375 F. Grease two
9x4x2-inch loaf pans. Beat together butter, sugar, and
eggs. Add and beat in the pawpaw pulp and lemon juice.
Sift the flour and baking powder together, and stir them
into the batter. Stir in the pecans and scrape the
batter into the loaf pans. Garnish each loaf with 8
pecan halves, and bake for 1 hour and 15 minutes. The
top corners of the loaf will burn, but that adds flavor
and character.
Pawpaw Custard
1 c. pawpaw pulp
2 oz. grated coconut
1¼ c. half and half
1 tsp. vanilla
3 eggs, beaten
1 dash salt
2 oz. sugar (superfine preferred)
zest of orange (optional)
Mix pawpaw pulp with coconut. Layer
on bottom of buttered ovenproof casserole dish. Heat
half and half mixed with the vanilla until bubbles form.
Beat eggs with salt and sugar and still beating, pour in
the half and half very slowly so as not to curdle the
eggs. Add the orange zest if using. Pour over fruit and
place in a pan of hot water.
Bake in a moderate oven (375 F) for
30 minutes or until custard is set. Turn out, if
possible, when cool to show off the fruit layer.
Pawpaw Preserves
12 pawpaws (about 5 lbs)
2 c. water
¾ c. sugar
1 lemon
1 orange
Peel pawpaws. Put in kettle with water, without
removing seeds. Boil until soft, then put through a
sieve. Add sugar and juice of orange and lemon. Boil
until thick. Grated rind of orange or lemon may be
added. Put in sterilized jars and seal.