sea bean (mucuna) is a legume vine with flowers and fruits ... · the flowers and fruits of panama...
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Sea bean (Mucuna ) is a legume vine with flowers and fruits that hang in clusters. The flowers are pollinated by bats.
Flowers
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The fruit is covered with hairs that cause irritation
when touched.
The specific epithet name Urens means “like stinging
nettles” and the spines on the pods cause itching because of
a enzyme called mucunainthat is injected into the skin.
Mucuna urens
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Sea purse (Dioclea reflexa)
Sea heart (Entada gigas)
Sea bean(Mucuna)
Common drift seeds
Hamburger bean is another common name for Mucuna , because of the line running the circumference of the seed. They are one of the
common drift seeds dispersed in salt water oceans.
Drift seeds can travel great distances and there are examples of seeds from the tropics washing up on Northern European beaches.
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Wild tamarind (Cojobaarborea) is a very interesting member of the legume family.
It produces red pods that open to expose hanging black seeds.
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Most woody legumes produce seeds that dry as a “hard” seed. The outer seed coat becomes impermeable to water (physical dormancy) and
typically last years in the seed bank. Wild tamarind is very different. It produces a seed with a soft, pulpy seed coat. The seeds do not tolerate
drying and must germinate within a few weeks of dropping from the trees or the seeds will die (i.e. recalcitrant seed behavior) .
Flowers
Fruit pod
The black seeds hang from a long
funiculus.
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Sensitive plant (Mimosa pudica) is another member of the legume family. It is called the sensitive plant because the leaves fold up at
night (nyctinastic) or when touched (thigmonastic).
Fruit pods
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The group was quite taken with the sensitive plant.
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The woody legume Guanacaste(Enterolobium cyclocarpum) is the national tree of Costa Rica. It is also called the elephant ear tree
because of the shape of the fruit.
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Kapok (Ceiba pentandra) is one of the giants in the rainforest. It is the national tree of Guatemala.
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Kapok is in the mallow family (Malvaceae) that also includes plants like cotton. The fruits produce a cotton-like material
that forms around the seeds. These fibers were once used in pillows and as a stuffing for life preservers.
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The strangler figs (Ficus) can also form large trees in
the rain forest.
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Stranglers are technically called hemiepiphytic plants.
The largest group belongs to the strangler fig group (Ficus) where there are approximately 500 species classified as hemiepiphytes.
Fig seeds germinate in the tops of the trees and send down aerial roots that become stem-like after reaching the forest floor. Their expansion eventually strangles the host tree.
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Autograph tree (Clusia) can produce free standing or strangler hemiepiphytic plants.
Clusia roseaThin aerial roots reaching
for the soil.
Aerial roots thickening to become strangling roots.
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It is called the autograph tree because writing on the leaves is retained as graphic scar tissue.
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The flowers in Clusia are waxy and usually white with hints of pink.
Clusia grandiflora
Clusia lanceolata
Clusia sp.
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The fruits of Clusia pratensis we found in the Monteverde cloud
forest were so showy, they could easily be mistaken for flowers.
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Cecropia is easily recognized for its large umbrella-like
palmately, compound leaves.
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Cecropia species are light gap specialists and the seeds require light to germinate. As the main stem bends towards the light, some species of Cecropia produce prop roots to support the bent stem.
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Cecropia is a tropical plant that produces a swelling at the base of the leaf petiole that provides food for Aztec ants in return for ant protection. These food bodies are referred to as Müllerian bodies.
Müllerianbodies
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Ylang-ylang (Cananga odorata) is a member of the annona family
with very fragrant flowers.
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Ylang-ylang is the commercial source of the fragrance for
Chanel No. 5 perfume.
Fruits
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Panama hat plant (Carludovica palmata) resembles a palm, but it is actually in a
separate family (Cyclanthaceae).
As the common name suggests, fibers from the plant are used to make
Panama hats.
The interwoven leaves creates a water proof roof for local buildings.
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The flowers and fruits of Panama hat plant are very distinctive and more closely resemble an aroid than a palm. Initially, the flower spike is covered with long thread-like modified stamens (staminodes). These
fall off when the female parts of the flowers are receptive. The orange red seeds become exposed as the fruit peels apart.
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Shingle plants (Monstera) are remarkable because they are climbing vines with small leaves apressed to the support tree. With age the
leaves enlarge and can become very large.
MonsteradeliciosaMonstera dubia
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Hot lips (Psychotria elata) produces a pair of red bracts that resemble lips. It is a popular post card image in Costa Rica.
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The flowers and fruits of hot lips (Psychotria elata).
Flowers
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Miracle fruit (Synsepalum dulcificum) gets its name because after you chew a fruit any sour tasting food like lemon will miraculously taste sweet.