Yucca brevifolia

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant is primarily located within the arid regions of the Southwestern United States. Specifically, its range extends across the state of California. It can also be found growing throughout the landscapes of Nevada. Moving south across the border, the species is distributed within Mexico. Its presence is noted specifically in the Northwest portion of the Mexican territory.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Yucca brevifolia is characterized by its status as a perennial organism, allowing it to persist in its environment through multiple growing seasons. As a phanerophyte, its reproductive buds are elevated above the ground level, typically supported by a woody structure or a robust stem architecture that defines its life form. This phanerophyte classification, observed in both its life form categories, indicates a growth strategy where the plant maintains its vital organs above the soil surface, facilitating long-term survival and structural stability within its native habitat.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Yucca brevifolia is characterized by a woody structure that allows it to function as both a tree and a shrub. It is a self-supporting plant that does not rely on climbing mechanisms, maintaining an independent existence as a non-parasitic species. As a terrestrial organism, it grows directly in the soil rather than as an epiphyte. The plant exhibits a significant stature, reaching a mean height of approximately 12.17 m.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Growth form :

shrub

Parasite :

independent

Plant height mean:

12.17 m

Woodiness :

woody

Physiology

The physiology of Yucca brevifolia is characterized by a robust metabolic framework adapted to arid environments, most notably through its utilization of the C3 photosynthetic pathway. Despite inhabiting regions prone to water scarcity, this plant relies on the standard C3 mechanism for carbon fixation, where CO2 is incorporated into a five-carbon sugar via the enzyme RuBisCO during the day. To mitigate the inherent water loss associated with this pathway in dry climates, the plant employs physiological strategies such as regulated stomatal conductance and succulent tissues that assist in moisture retention. Its metabolic processes are tightly integrated with its structural adaptations, allowing it to manage gas exchange and energy production while navigating the physiological stresses of its native habitat.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Yucca brevifolia is characterized by specific seed morphologies and diverse dispersal strategies. The seeds produced by this species exhibit a notable range in weight, with a recorded minimum mass of approximately 0.071526 g and a maximum mass reaching 0.11621 g, resulting in a calculated mean seed mass of 0.0712575556666667 g. In terms of movement and propagation, the plant employs a multi-faceted dispersal syndrome; while it is primarily identified as zoochorous (dispersed by animals), its reproductive success is supported by a complex combination of anemochorous (wind), autochorous (self-dispersal), hydrochorous (water), and unspecialized dispersal mechanisms.

Dispersal syndrome :

zoochorous

Seed mass max:

0.11621 g

Seed mass mean:

0.0712575556666667 g

Seed mass min:

0.071526 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Yucca brevifolia has 5 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Kammogenin, Saponins, Sarsasapogenin, Smilagenin, Tigogenin.

Kammogenin

1. Dr. Duke

Saponins

1. Dr. Duke

Sarsasapogenin

1. Dr. Duke

Smilagenin

1. Dr. Duke

Tigogenin

1. Dr. Duke

Activities

Yucca brevifolia has 9 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antialzheimeran, Antidementia, Antihepatomic, Antimutagenic, Antitumor.

Antialzheimeran

1. Dr. Duke

Antidementia

1. Dr. Duke

Antihepatomic

1. Dr. Duke

Antimutagenic

1. Dr. Duke

Antitumor

1. Dr. Duke

Antitumor (Lung)

1. Dr. Duke

Antitumor (Ovary)

1. Dr. Duke

Cerebrotonic

1. Dr. Duke

Immunomodulator

1. Dr. Duke