Spider Lily

Names and Synonyms

Common Names

• Beach Spider Lily

Scientific Names

Accepted name

Synonyms

• Pancratium americanum
• Pancratium littorale var. dryanderi
• Troxistemon dryanderi
• Hymenocallis adnata var. dryanderi
• Pancratium littorale
• Hymenocallis staplesiana
• Troxistemon littoralis
• Pancratium pedale
• Troxistemon distichus
• Pancratium tenuiflorum
• Pancratium staplesii
• Pancratium distichum
• Pancratium dryanderi
• Hymenocallis adnata var. littoralis
• Hymenocallis disticha
• Hymenocallis dryanderi
• Hymenocallis senegambica
• Hymenocallis insignis
• Hymenocallis niederleinii
• Hymenocallis panamensis
• Hymenocallis littoralis var. disticha
• Hymenocallis littoralis var. dryanderi
• Hymenocallis pedalis
• Hymenocallis peruviana
• Hymenocallis staplesii
• Hymenocallis tenuiflora
• Hymenocallis biflora
• Hymenocallis americana
• Hymenocallis arenaria
• Hymenocallis americana f. disticha
• Hymenocallis americana f. dryanderi
• Hymenocallis americana f. staplesiana
• Hymenocallis adnata var. disticha
• Hymenocallis adnata var. staplesiana

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Asparagales, it is classified under the family Amaryllidaceae. Its specific taxonomic identity is defined by the genus Hymenocallis.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several distinct regions. In Northern Africa, it can be found within the borders of Tunisia. Its range also extends to the Macaronesian islands, specifically in Cape Verde. Furthermore, the species is widespread throughout West Tropical Africa. This tropical presence includes the nations of Gambia, Guinea-Bissau, and Guinea.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Hymenocallis littoralis is characterized by its adaptation to low-lying, moisture-rich environments, typically found at elevations ranging from 0 to 1000 m AMSL. This species thrives in specific ecological niches, primarily inhabiting Floresta de Várzea (floodplain forests), Restinga (coastal vegetation), and areas of Vegetação Aquática (aquatic vegetation). These habitats suggest a preference for saturated soils and seasonal flooding, allowing the plant to integrate into both coastal sandy ecosystems and riparian zones where water availability is abundant.

Elevational range max:

1000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Floresta de Várzea, Restinga, Vegetação Aquática

Life history

The life history of Hymenocallis littoralis is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. As a geophyte and a cryptophyte, its survival strategy relies heavily on specialized underground storage organs, which protect the plant during unfavorable environmental conditions. The deciduousness of the species is variable, meaning its foliage may shed or remain depending on specific seasonal or environmental stressors.

Deciduousness :

variable

Life form :

geophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Hymenocallis littoralis is characterized by its growth form as a non-woody herb, specifically classified as a forb. It functions as a self-supporting plant, exhibiting neither climber nor liana tendencies, and maintains an independent lifestyle as it is not a parasite. In terms of its habitat and ecological positioning, it is a terrestrial species rather than an aquatic, semiaquatic, or epiphytic organism, meaning it does not grow as a holoepiphyte, hemiepiphyte, or any other epiphytic form. Its structure is entirely non-woody, lacking any woody or variable tissue development, which supports its typical herbaceous habit.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Woodiness :

non-woody

Physiology

The physiology of Hymenocallis littoralis is characterized by its specific vegetative morphology and leaf structure. The plant features elongated, strap-shaped leaves that vary significantly in size, with minimum lengths reaching 25 cm and maximum lengths extending up to 75 cm. These leaves maintain a relatively slender profile, with widths ranging from a minimum of 2.5 cm to a maximum of 7 cm. Despite the robust appearance of its foliage, the plant does not exhibit succulence, meaning it lacks the specialized water-storing tissues found in succulent species, relying instead on its standard cellular structure for hydration and nutrient transport.

Leaf length max:

75 cm

Leaf length min:

25 cm

Leaf width max:

7 cm

Leaf width min:

2.5 cm

Succulence :

no

Reproduction

The reproduction of Hymenocallis littoralis is characterized by its distinctive floral and fruiting structures. The plant produces flowers that are consistently white in colour, with a narrow width ranging from a minimum of 0.2 cm to a maximum of 0.3 cm. Following successful pollination, the plant develops fruits that measure between 1 cm and 1.5 cm in length. Regarding its reproductive strategy, the species exhibits a zoochorous dispersal syndrome, specifically utilizing endozoochory to facilitate the movement of its seeds.

Dispersal syndrome :

zoochorous

Dispersal syndrome :

endozoochorous

Flower colour :

white

Flower width max:

0.3 cm

Flower width min:

0.2 cm

Fruit length max:

1.5 cm

Fruit length min:

1 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Hymenocallis littoralis has 4 reported plant parts identified across 6 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include root, stem, flower, leaf.

Root

1. Pakistan journal of pharmaceutical sciences
2. TheScientificWorldJournal

Stem

1. Pakistan journal of pharmaceutical sciences
2. Fitoterapia

Flower

1. Pakistan journal of pharmaceutical sciences

Leaf

1. Pakistan journal of pharmaceutical sciences

Chemicals

Hymenocallis littoralis has 20 reported phytochemicals identified across 6 scientific publications and several other databases. The most consistently reported chemicals include (S)-liquiritigenin, 4-Methylesculetin, 7,4'-Dihydroxy-8-methylflavan, 7-Deoxy-trans-dihydronarciclasine, 7-Deoxynarciclasine.

(S)-liquiritigenin

1. Fitoterapia

4-Methylesculetin

1. Journal of ethnopharmacology

7,4'-Dihydroxy-8-methylflavan

1. Fitoterapia

7-Deoxy-trans-dihydronarciclasine

1. Journal of natural products

7-Deoxynarciclasine

1. Journal of natural products

Catechin 7-O-apiofuranoside

1. Journal of ethnopharmacology

Compound-4

1. Fitoterapia

Emodic acid

1. Journal of ethnopharmacology

Flavonoids

1. Journal of ethnopharmacology

Glycosides

1. Journal of ethnopharmacology

Activities

Hymenocallis littoralis has 5 reported activities identified across 6 scientific publications and several other databases. The most consistently reported activities include Cytotoxic, Antimicrobial, Antineoplastic, Antioxidant, Emetic.

Cytotoxic

1. Journal of natural products
2. Journal of ethnopharmacology

Antimicrobial

1. Journal of ethnopharmacology

Antineoplastic

1. Journal of natural products

Antioxidant

1. Journal of ethnopharmacology

Emetic

1. Journal of ethnopharmacology

Conditions

Hymenocallis littoralis has 5 reported investigations on conditions identified across 6 scientific publications and several other databases. The most consistently reported conditions include wound healing, Pseudomonas aeruginosa, anti-oxidant, emetic, gastritis.

Wound healing

1. Journal of ethnopharmacology
2. Pakistan journal of pharmaceutical sciences
3. TheScientificWorldJournal

Pseudomonas aeruginosa

1. Fitoterapia

Anti-oxidant

1. Journal of ethnopharmacology

Emetic

1. Journal of ethnopharmacology

Gastritis

1. Journal of ethnopharmacology

Preparations

Hymenocallis littoralis has 3 reported preparations identified across 6 scientific publications and several other databases. The most consistently reported preparations include bulb extract, leaf and bulb extract, root extract.

Bulb extract

1. TheScientificWorldJournal

Leaf and bulb extract

1. Journal of ethnopharmacology

Root extract

1. TheScientificWorldJournal