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Brachychiton acerifolium, flame tree. Note uniseriate perianth,
part of which has been cut away in both flowers illustrated. The middle photo
shows a functionally female flower. The right photo depicts a
functionally male flower. |
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Brachychiton discolor. |
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Cola acuminata, cola nut. 3,4 - male flowers, 5 - male (l) and
female (r), 1-5 - Lyon Arboretum, Manoa, HI. |
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Commersonia sp. |
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Dombeya sp. Note staminal column with 5 tongue-like staminodes and about 15
stamens. |
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Firmiana sp. This capsule developed from a single flower. At
this point the carpels are nearly distinct and each bears a striking resemblance to a
modified leaf with marginal seeds. |
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Fremontodendron californica. In this species the flowers are
bisexual and have a well developed corolla. The style of the functional pistil is
protruding from the column formed by the monadelphous whorl of 5 functional stamens. |
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Guazuma ulmifolia, West Indian elm. In this species the sepals
are somewhat ephemeral. The small yellowish petals are slightly hooded and have a forked
brownish appendage. A monadelphous column of greenish stamens surrounds the light green
pistil visible in the center of the open flower. |
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Heritiera littoralis, looking-glass tree. The upper flower is functionally
female, the lower flower is functionally male. |
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Melochia umbellata, melochia. |
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Pterygota alata, Buddhas coconut. These are unisexual flowers
with a single perianth whorl consisting of a valvate calyx. One sepal has been removed to
reveal the interior of the flowers. On the left is a female flower with vestigial anthers
visible at the base of the ovary. The pistil has 5 distinct styles. The male flower on the
right has functional stamens united into a monadelphous column. |
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Sterculia foetida, skunk tree. These are
functionally unisexual flowers with a single perianth whorl constituting a
valvate calyx. On the left is a female flower with the anthers of
vestigial stamens visible around the base of the stalked ovary. The flower
on the right shows little or no evidence of an ovary. The stamens are
functional and united into a monadelphous column. |
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Sterculia sp. |
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Theobroma cacao, cocoa. The seeds in these
richly colored fruits are the source of chocolate. |
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Waltheria indica, 'uhaloa. This native Hawaiian species is used
to brew a tea for treating sore throat. Notice the brown linear stipule at the upper node
and the brown stipular scar at the middle and lower nodes. |