Zinnia grandiflora

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Crassina grandiflora
• Zinnia grandiflora f. viridiflora

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Asterales, falling into the family Asteraceae. Finally, it is identified by the genus Zinnia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse presence across several regions of the United States. In the Northwestern U.S.A., its range includes the state of Colorado. Moving toward the North-Central U.S.A., it can be found growing in both Kansas and Oklahoma. The species also extends into the Southwestern U.S.A., specifically within Arizona. Finally, its distribution reaches the South-Central U.S.A. through the state of New Mexico.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Zinnia grandiflora is characterized by a variable lifecycle that can manifest as an annual, biennial, or perennial, depending heavily on the environmental conditions and local climate. Typically, the plant begins its life cycle from seed, germinating in well-drained soil to develop a robust root system and spreading foliage. As it progresses through its developmental stages, it focuses energy on producing vibrant, composite flower heads that serve as the primary mechanism for reproduction. While often treated as an annual in cooler climates due to its sensitivity to frost, its ability to persist as a perennial or biennial in more stable, temperate environments allows it to establish a more permanent presence in its habitat. The duration of its life cycle is closely tied to its reproductive success and the availability of resources, eventually concluding with seed dispersal to ensure the continuation of the next generation.

Lifecycle :

perennial

Morphology

The morphology of Zinnia grandiflora is characterized by its growth form as a forb, presenting a structure that is distinctly non-woody in nature. As a herbaceous plant, it lacks any significant woody tissue, maintaining a soft and flexible stem throughout its lifecycle. Regarding its physical support system, the plant is classified as self-supporting, meaning it possesses the structural integrity to grow upright without the need for external climbing structures or tendrils.

Climber :

self-supporting

Growth form :

forb

Woodiness :

non-woody

Reproduction

The reproduction of Zinnia grandiflora is characterized by specific seed morphological and dispersal traits that facilitate its propagation. The plant produces seeds with a highly uniform mass, as indicated by a consistent seed mass mean, maximum, and minimum value of 0.00243 g. Regarding the movement of its offspring, the species exhibits an anemochorous dispersal syndrome, meaning it primarily relies on wind to transport its seeds to new locations, although its reproductive strategy may also encompass elements of zoochorous, autochorous, hydrochorous, or unspecialized dispersal mechanisms depending on environmental conditions.

Dispersal syndrome :

anemochorous

Seed mass mean:

0.00243 g

Sources: Global Inventory of Floras and Traits (GIFT)

Activities

Zinnia grandiflora has 1 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Cytotoxic.

Cytotoxic

1. Journal of natural products

Medicinal Uses

Zinnia grandiflora has 1 reported medicinal uses identified across 0 scientific publications and several other databases. The most consistently reported uses include cancer.

Most Reported Uses

Preparations