''Solanum melissarum'' is a small tree or
shrub
A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...
in the
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...
family
Solanaceae
Solanaceae (), commonly known as the nightshades, is a family of flowering plants in the order Solanales. It contains approximately 2,700 species, several of which are used as agricultural crops, medicinal plants, and ornamental plants. Many me ...
endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to
Brazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
.
Description
A small tree, from 1 to 6 metres high, usually with a single trunk. The crown of light branches carries simple, unlobed leaves. The flowering inflorescence is from 5 cm to 30 cm long, and carries 4 to 20 long, narrow flower buds. The narrow, slightly membranous flower petal are green-white. The petals curve upward at first opening, and become lax as the flower ages. The anthers are at first purple, changing to yellow-orange with age.
Reproductive biology
The pendulous flowers have poricidal
anthers
The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filamen ...
close to the
stigma, with membranous
theca
In biology, a theca (: thecae) is a sheath or a covering.
Botany
In botany, the theca is related to plant's flower anatomy. The theca of an angiosperm consists of a pair of microsporangia that are adjacent to each other and share a common ar ...
e joined by a connective bearing osmophores that attract males of ''
Euglossa cordata'' bees. As they collect
fragrances
An aroma compound, also known as an odorant, aroma, fragrance, flavoring or flavor, is a chemical compound that has a smell or odor. For an individual chemical or class of chemical compounds to impart a smell or fragrance, it must be sufficien ...
, the bees press the thecae and
pollen
Pollen is a powdery substance produced by most types of flowers of seed plants for the purpose of sexual reproduction. It consists of pollen grains (highly reduced Gametophyte#Heterospory, microgametophytes), which produce male gametes (sperm ...
is released through a bellows mechanism. Based on the
hand-pollination treatments, this species is
self-incompatible.
References
melissarum
Flora of Brazil
Near threatened plants
Taxonomy articles created by Polbot
{{Solanales-stub