spiked spiral-flag

Names and Synonyms

Common Names

• spiked spiral-flag
• Indian Head Ginger

Scientific Names

Accepted name

Synonyms

• Amomum petiolatum
• Costus micranthus
• Costus cylindricus

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. It is further categorized under the subclass Magnoliidae and the order Zingiberales. Finally, it is a member of the family Costaceae and falls under the genus Costus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad geographical range across several distinct regions of Mexico. It can be found throughout the Northeast, Gulf, Northwest, and Southeast portions of the country. In addition to its widespread presence in Mexico, its habitat extends into the Caribbean. Specifically, the species is documented to grow within the island of Cuba. This distribution highlights its ability to thrive in diverse tropical environments across North America and the Caribbean.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Costus spicatus is characterized by its status as a perennial plant, allowing it to persist through multiple growing seasons. Its biological structure is classified under the life forms of both a geophyte and a cryptophyte, indicating that its essential regenerative organs are protected underground, typically within rhizomes, to survive unfavorable environmental conditions.

Life form :

geophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Costus spicatus is characterized by its stature as a large, self-supporting herb and forb, typically reaching an average plant height of approximately 2.5 m. As a terrestrial species, it grows independently in its environment without behaving as an epiphyte or a parasite. The plant exhibits a woody constitution and possesses a self-supporting growth habit, meaning it does not function as a liana or a vine but maintains its own structure upright.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height mean:

2.5 m

Woodiness :

woody

Physiology

The physiology of Costus spicatus is characterized by its specialized metabolic processes and structural adaptations that facilitate growth in tropical environments. As a member of the Costaceae family, its physiological framework involves complex photosynthetic pathways optimized for high humidity and filtered light, typically utilizing C3 photosynthesis to convert solar energy into chemical energy. The plant exhibits significant water regulation capabilities through its succulent-like stem structures and specialized leaf arrangements that minimize transpirational loss while maximizing light interception. Regarding its nutrient cycling and symbiotic relationships, Costus spicatus is not a nitrogen fixer; it lacks the specialized root nodules and the necessary symbiotic association with diazotrophic bacteria required to convert atmospheric nitrogen into bioavailable forms, meaning it relies entirely on the uptake of nitrogenous compounds from the soil substrate. Its metabolic activity is further defined by the biosynthesis of secondary metabolites, including various terpenoids and polyphenols, which are produced as physiological defense mechanisms against herbivory and environmental stressors.

Nitrogen fixer :

no

Reproduction

The reproduction of Costus spicatus is primarily driven by biotic mechanisms, relying on living organisms to facilitate the transfer of pollen. The plant exhibits a complex pollination syndrome characterized by biotic interactions, where the movement of genetic material is mediated through animal vectors rather than abiotic forces like wind or water. Specifically, the reproductive success of the species is heavily dependent on insect pollination, involving various specialized visitors that interact with the floral structures. Within this insect-mediated framework, the pollination syndrome is further refined to include a diverse range of insect taxa, such as bees, butterflies, moths, and other flying insects, which play a critical role in the plant's sexual reproduction cycle.

Pollination syndrome :

insect

Pollination syndrome :

biotic

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Costus spicatus has 3 reported plant parts identified across 7 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, rhizome, root.

Leaf

1. Journal of ethnopharmacology
2. Pharmaceutical biology
3. Phytochemistry
4. Biochemistry research international

Rhizome

1. Phytochemistry
2. Planta medica

Root

1. Revista cubana de medicina tropical

Chemicals

Costus spicatus has 5 reported phytochemicals identified across 7 scientific publications and several other databases. The most consistently reported chemicals include Kaempferide 3-O-neohesperidoside, LOLIOLIDE, STIGMASTEROL, cholestan-3-amine, quercetin 3-O-neohesperidoside.

Kaempferide 3-O-neohesperidoside

1. Phytochemistry

LOLIOLIDE

1. Biochemistry research international

STIGMASTEROL

1. Biochemistry research international

cholestan-3-amine

1. Biochemistry research international

quercetin 3-O-neohesperidoside

1. Phytochemistry

Activities

Costus spicatus has 4 reported activities identified across 7 scientific publications and several other databases. The most consistently reported activities include Analgesic, Antinociceptive, Antioxidant, Neuroprotective.

Analgesic

1. Pharmaceutical biology

Antinociceptive

1. Pharmaceutical biology

Antioxidant

1. Biochemistry research international

Neuroprotective

1. Biochemistry research international

Conditions

Costus spicatus has 7 reported investigations on conditions identified across 7 scientific publications and several other databases. The most consistently reported conditions include edema, hyperglycemia, inflammation, nociception, pain.

Edema

1. Pharmaceutical biology

Hyperglycemia

1. Journal of ethnopharmacology

Inflammation

1. Pharmaceutical biology

Nociception

1. Pharmaceutical biology

Pain

1. Pharmaceutical biology

Peritonitis

1. Pharmaceutical biology

Type 2 diabetes mellitus

1. Journal of ethnopharmacology

Preparations

Costus spicatus has 9 reported preparations identified across 7 scientific publications and several other databases. The most consistently reported preparations include rhizomes, alcoholic extracts, aqueous extract, crude extract, infusions.

Rhizomes

1. Phytochemistry
2. Planta medica

Alcoholic extracts

1. Revista cubana de medicina tropical

Aqueous extract

1. Pharmaceutical biology

Crude extract

1. Biochemistry research international

Infusions

1. Frontiers in pharmacology

Leaves

1. Phytochemistry

Methanol extract obtained from the leaves

1. Pharmaceutical biology

Tea

1. Journal of ethnopharmacology

Tea made from the leaves

1. Journal of ethnopharmacology