Typha latifolia

Overview

The broadleaf cattail, Typha latifolia, is a waterside plant with long leaves and flower spikes resembling brown rods. Flowers gather densely among upright stems and narrow leaves. Many small flowers hide within what looks like a simple rod from a distance.^[1]

Key facts

The brown rod is not a single flower but a spike of numerous small female flowers. The flora describes young female spikes as yellow-green and mature ones as dark brown to almost black. The same organ changes appearance as it develops.^[1]

Time and place

It is a living waterside plant found mainly in temperate regions. Kew lists a broad native range including the temperate Northern Hemisphere, parts of South America and Africa, and southern India. Stems, leaves, and flower spikes can be examined together in wetlands today.^[1]

The time range describes source context, not the complete duration of this species.

Size, form and skeleton

The straight, sturdy stems in the 1971 flora description are approximately 1.5–3.5 m tall. The leaves are long and narrow, and flower spikes also extend along the stem. Small floral and pollen structures are contained within a large, seemingly simple exterior.^[1]

Habitat and reproduction

It is introduced as an emergent aquatic plant with its base in wet surroundings. Small flowers gather into male and female spikes. The flora also describes mature pollen grains as remaining attached in groups of four, inviting examination of the small units of reproduction.^[1]

Fossil discovery

Kew’s species account includes the description compiled by D. M. Napper for an East African flora in 1971. It details small flowers and pollen as well as stems and leaves. A familiar wetland plant can be connected with observations in a regional flora.^[1]

References

1. Typha latifolia L. — Plants of the World Online; Typhaceae description in Flora of Tropical East Africa
2. Flora of North America — European hazel
3. Flora of North America — Leaves and inflorescences of Corylus

Research questions

What small structures lie within one spike? Compare colors of young and mature spikes, small flowers, and pollen. Observation beginning along a long stem leads to tiny reproductive structures.^[1]

Observation

First distinguish the long, narrow leaves from the upright stem. After finding the brown flower spike, remember that many small flowers gather inside it to see the familiar cattail anew.^[1]