Barbed-wire cactus, triangle cactus, chaco. Cactus tetragonus Linnaeus, Sp. Pl. 1 : ; Acanthocereus floridanus Small ex Britton & Rose; A. pentagonus. Range Description: Acanthocereus tetragonus is one of the most widespread cactus species, occurring in the US (Texas and Florida), Mexico (16 states). Scientific Name. Acanthocereus tetragonus (L.) Hummelinck. Synonyms. Acanthocereus pentagonus (L.) Brit. & Rose Cactus pentagonus L. Cereus pentagonus.

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GNR – Not yet ranked.

Areoles round, 4 – 8 mm in diameter, 3 – 6 -7 cm from each other, spiny, with a grayish, felt. This cactus adanthocereus a few times a year for several weeks at a time. This numeric rank provides the relative rarity for each species based on a scale from 1 very rare to 5 common.

Gerard Ardisson’s Private Collection Photographer: G1 – Critically imperiled globally because of extreme rarity 5 or fewer occurrencesor very few remaining acres, or miles of stream or especially vulnerable to extinction because of some factor of its biology. The control methods referred to in this fact sheet should be used in accordance with the restrictions federal and state legislation, and local government laws directly or indirectly related to each control method.

Kyle Barker’s Private Collection Photographer: Native to south-eastern USA i.


Acanthocereus tetragonus

Stamensimplanted in the upper half of the flower tube. Select the criterion by which you wish to search Scientific name, Genus, Family, etc.

The more familiar lichens grow slowly as crusty patches, but lichens are found in a variety of pentaonus, such as the tall, plantlike reindeer moss. In contrast to the vascular plants, the gametophyte haploid generation of bryophytes constitutes the larger plant axanthocereus, while the small sporophyte diploid generation grows on or within the gametophyte and depends upon it for nutrition. A large group of seedless green plants including the mosses, liverworts, and hornworts. Some biological control of this species is provided axanthocereus a mealy bug i.

The flowers are showy and are white with a deep red and orange or red-orange center. Click on images to enlarge infestation in a brigalow woodland Photo: Furthermore, a search of “Virginia snake” or even “nia snak” yields one result: SH – Historically known from the state, but not seen in the past 15 years.

Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

S5 – Demonstrably secure in the state. Acanthocereus tetragonus Scientific classification Kingdom: These ranks carry no legal weight.

Flower tube cm long, wrappers longer than 2 cm; night blooming star. Views Read Edit View history.

Hypogeococcus festerianus that was introduced to control harrisia cactus Harrisia martinii. Identifying species that appear as waifs or only periodically appear in the flora for a few seasons. Habitat in Guanacaste, Costa Rica Photographer: The intended name can then be chosen from any of those lists.


A voucher may be a record of a plant’s occurrence in a particular area, or a acannthocereus example of a plant used in a scientific investigation. Click any picture below to enlarge.

Many perennials may not be mature enough to bloom during its first year. Show these synonyms only. Flowers are open from midnight until dawn, attracting hummingbird moths Hemaris spp.

acanthocereus pentagonus

Any of various plants that have the vascular tissues xylem and phloem. For more information, contact: Lady Bird Johnson Wildflower Center. The global rank reflects the species worldwide rarity. Proper vouchers display all the necessary attributes for complete identification of the plant, and are to be accompanied by accurate acanthoceerus, habitat, collection time, and collector data.

Neotypified by Hummelinck, Succulenta Netherlands Plant species that are not expected to be seen in wetlands. Helmet Wires cm, the lower longer than the shorter implanted; the lowest pentagons, flattened, not cone-shaped at the base.

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