Glade Mallow

napaea dioica

Glade Mallow (Napaea dioica) is a captivating perennial herb known for its striking height and unique reproductive strategy. Unlike most plants, it is dioecious, meaning individual plants bear either male or female flowers exclusively. This tall, stately member of the mallow family adds an elegant touch to moist meadows and riverbanks, its robust stature making it stand out in its native habitats. Its relative rarity in much of its historical range underscores its ecological importance and the need for conservation efforts to protect this fascinating botanical specimen.

Habitat: Glade Mallow thrives in rich, moist soils found in open woodlands, stream banks, wet prairies, and alluvial floodplains, often requiring sunny or partially shaded conditions.

Appearance

This robust perennial can reach heights of 1 to 3 meters. Its stems are stout, often reddish, and covered with fine, star-shaped hairs. The large, palmately lobed leaves resemble those of a maple, with 5-7 deep lobes and toothed margins. Flowers are relatively small, about 1-2 cm across, white to cream-colored, and clustered in terminal panicles. Male flowers have prominent stamens, while female flowers feature a central pistil, a distinction only visible upon close inspection on separate plants.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderMalvalesFamilyMalvaceaeGenusNapaea

Glade Mallow

Interesting facts

Despite its striking appearance and ecological significance, Glade Mallow is not widely cultivated, making the preservation of its wild populations critical for its survival.

Glade Mallow is one of the few dioecious species within the large Malvaceae (mallow) family, meaning individual plants are either male or female.

It was first described by Carl Linnaeus in 1753, initially placed in the genus Sida, before being reclassified into its own genus, Napaea.

Its common name "Glade Mallow" aptly describes its preference for open, moist forest openings or prairie glades.

Special abilities

Male and female reproductive organs are on separate plants, ensuring cross-pollination and genetic diversity, a less common strategy among flowering plants.

Capable of growing quite tall in a single season, allowing it to compete effectively for sunlight in its preferred open and partially shaded habitats.

Possesses a fibrous root system that can include rhizomes, enabling vegetative spread and the formation of colonies, contributing to its persistence in suitable locations.

Measurements & details

Length: 100-300 cm
Weight: 0.5-3 kg
Lifespan: 3-10 years
Clutch Size: 50-500
Incubation: 10-30 days

Diet & Feeding

Glade Mallow produces its own food through photosynthesis, converting sunlight into energy. It absorbs water and essential mineral nutrients from the soil via its root system to support growth and metabolic processes.

Primary Foods

Sunlight
Water
Nitrogen
Phosphorus
Potassium
Trace Minerals

Foraging Method

Photosynthesis/nutrient Absorption

Ecological connections

mutualism

Bumble Bee

Bombus spp.

Pollination for reproduction.

eaten by

White-tailed Deer

Odocoileus virginianus

Herbivory, feeding on leaves and stems.

host plant

Gray Hairstreak Butterfly

Strymon melinus

Provides host for larvae.

mutualism

Various Small Mammals

Rodentia (various species)

Seed dispersal, often by clinging to fur or consumed.

Traits

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Also known as

No aliases listed yet.

Collections

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Glade Mallow?

The easiest way to identify Glade Mallow is to use the Snappit nature identifier app.

How long is Glade Mallow?

100-300 cm

How much does Glade Mallow weigh?

0.5-3 kg

How long does Glade Mallow live?

3-10 years

What does Glade Mallow eat?

Where is Glade Mallow usually found?

Glade Mallow thrives in rich, moist soils found in open woodlands, stream banks, wet prairies, and alluvial floodplains, often requiring sunny or partially shaded conditions.

How does Glade Mallow hunt?

Photosynthesis/nutrient Absorption

How many eggs does Glade Mallow lay?

50-500