''Dasyphyllum excelsum'' is a species of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
in the family
Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
. Known as bulli in Chile. This plant is known to occur in parts of
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...
, in Chile it occurs from
Quillota
Quillota is a city located in the Aconcagua River valley in central Chile's Valparaíso Region. It is the capital and largest city of Quillota Province, where many inhabitants live in the outlying farming areas of San Isidro, La Palma, Pocochay ...
to
Cauquenes
Cauquenes, a city and commune in Chile, is the capital of the Cauquenes Province and is located in the Maule Region.
History
According to the historical records of Alonso de Ercilla, Cauquenes was originally inhabited by an indigenous community o ...
(32 to 35°S) between 190 and 800 m above sea level, a specific location of occurrence being in central
Chile
Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east a ...
within the
Cerro La Campana
Cerro la Campana, the Bell mountain, is a mountain in La Campana National Park in central Chile.
The Pacific and the mountain Aconcagua are visible from the summit on clear days.
Due to the area's expanding human population, considerable def ...
forests in association with the
endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...
Chilean wine palm, ''
Jubaea chilensis
''Jubaea'' is a genus of palms with one species, ''Jubaea chilensis'' or ''Jubaea spectabilis'', commonly known in English as the Chilean wine palm or Chile cocopalm, and palma chilena in Spanish. It is native to southwestern South America and i ...
''.
[C. Michael Hogan. 2008.]
Description
It is an
evergreen
In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...
tree or that measures up to 15 m (50 ft) tall and over 2 m (80 in) in diameter, soft, thin and brown bark, with deep vertical cracks, it is one of the few genera of asteraceae which are trees. The leaves are alternate, entire edge, elliptical shaped with acute
apex
The apex is the highest point of something. The word may also refer to:
Arts and media Fictional entities
* Apex (comics), a teenaged super villainess in the Marvel Universe
* Ape-X, a super-intelligent ape in the Squadron Supreme universe
*Apex ...
which ends in a mucro. The leaves are yellowish green, 2-6 long and 1–2.5 cm wide,
glabrous
Glabrousness (from the Latin '' glaber'' meaning "bald", "hairless", "shaved", "smooth") is the technical term for a lack of hair, down, setae, trichomes or other such covering. A glabrous surface may be a natural characteristic of all or part of ...
on both surfaces and
pubescent The adjective pubescent may describe:
* people or animals undergoing puberty
* plants that are hairy, covered in trichomes
* insects that are covered in setae
In biology, setae (singular seta ; from the Latin word for "bristle") are any of a ...
on the margins, the
petioles are 1–4 mm long.
Provided with two thorns (modified
stipule
In botany, a stipule is an outgrowth typically borne on both sides (sometimes on just one side) of the base of a leafstalk (the petiole). Stipules are considered part of the anatomy of the leaf of a typical flowering plant, although in many speci ...
s),
deciduous
In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, aft ...
at the base of the leaves, the flowers are clustered in
inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
s (terminal
Flower head
A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...
s). The flowers are white and
hermaphrodite
In reproductive biology, a hermaphrodite () is an organism that has both kinds of reproductive organs and can produce both gametes associated with male and female sexes.
Many Taxonomy (biology), taxonomic groups of animals (mostly invertebrate ...
, 5
stamen
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filame ...
s with the
anther
The stamen (plural ''stamina'' or ''stamens'') is the pollen-producing reproductive organ of a flower. Collectively the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filam ...
s attached. The fruit is a cylindrical
achene
An achene (; ), also sometimes called akene and occasionally achenium or achenocarp, is a type of simple dry fruit produced by many species of flowering plants. Achenes are monocarpellate (formed from one carpel) and indehiscent (they do not ope ...
about 3–3.5 mm long and 1 mm wide, pubescent, reddish
pappi
In Asteraceae, the pappus is the modified calyx, the part of an individual floret, that surrounds the base of the corolla tube in flower. It functions as a wind-dispersal mechanism for the seeds. The term is sometimes used for similar s ...
5 mm long.
Etymology
Dasyphyllum is derived from Greek hairy leaves, diacanthoides from Greek two thorns.
References
* ''Encyclopedia of Chilean Flora'
''Dasyphyllum''*
* C. Michael Hogan. 2008
''Chilean Wine Palm: Jubaea chilensis'', GlobalTwitcher.com, ed. N. Stromberg
Line notes
excelsum
Chilean Matorral
Trees of Chile
Plants described in 1832
Taxa named by Ángel Lulio Cabrera
{{asteraceae-stub