# Pale-Spiked Lobelia (*lobelia spicata*)

The Pale-Spiked Lobelia (Lobelia spicata) is a delicate, upright perennial wildflower native to the grasslands, prairies, and open woodlands of North America. Standing on slender, unbranched stems, this charming plant produces a tight, spike-like cluster of small, pale blue to white blossoms during the warmth of mid-summer. It is a subtle yet vital member of its local ecosystem, drawing in various native bees with its nectar. Unlike some of its moisture-loving relatives, the Pale-Spiked Lobelia is remarkably adaptable, often flourishing in drier, sandy, or rocky soils where other plants might struggle. Its presence is a classic indicator of high-quality native prairie and savanna remnants.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 1
- **Habitat:** Typically found in open prairies, savannas, limestone glades, meadows, and along grassy roadsides with dry to moist, well-draining soils.

![Pale-Spiked Lobelia](https://inaturalist-open-data.s3.amazonaws.com/photos/1146230/medium.jpg)

Photo: Frank Mayfield, CC BY-SA 4.0 · [iNaturalist](https://www.inaturalist.org/photos/1146230)

## Appearance

This slender wildflower typically grows 30 to 100 centimeters tall, featuring light green, unbranched stems that are sometimes slightly hairy near the base. The leaves are alternate, lance-shaped to obovate, and gradually shrink in size as they ascend the stem. The defining feature is the terminal spike-like raceme, densely packed with tubular, two-lipped flowers. Each flower is small, about 1 centimeter long, ranging in color from pale lavender-blue to pure white. The lower lip of the corolla is deeply three-lobed, often featuring faint white or greenish-yellow markings near the throat that serve as nectar guides for visiting insects.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Asterales
- **Family:** Campanulaceae
- **Genus:** Lobelia

## Interesting facts

- Despite its delicate appearance, the plant contains lobeline, an alkaloid chemically similar to nicotine that has been studied for its physiological effects.
- Historically, various Native American tribes utilized preparations of the roots and leaves of this plant for traditional herbal remedies.
- The scientific name 'spicata' refers to the spike-like arrangement of its delicate flowers.

## Special abilities

- **Alkaloid Defense:** Produces a toxic milky latex sap containing lobeline, which effectively deters generalist mammalian herbivores from feeding on its foliage.
- **Sequential Blooming:** Flowers mature sequentially from the bottom of the spike upward, lengthening the flowering season and increasing chances of successful cross-pollination.
- **Dust-Seed Dispersal:** Produces thousands of microscopic, dust-like seeds per capsule that are easily dispersed to new colonization sites by wind and rainwater.

## Measurements & details

- **Length:** 30-100 cm
- **Lifespan:** 2-5 years

## Diet & Feeding

As a photosynthetic plant, it manufactures organic compounds from carbon dioxide and water utilizing solar energy, drawing essential mineral nutrients through its root system.

- **Age differences:** Germinating seeds rely on stored endosperm nutrients before developing roots and photosynthetic cotyledons to sustain self-sufficient growth.
- **Primary Foods:** Sunlight, Water, Carbon Dioxide, Soil Minerals
- **Foraging Method:** Photosynthesis

## Ecological connections

- **Mutualism:** American Bumblebee (*Bombus pensylvanicus*) — Serves as a primary pollinator, visiting the small tubular flowers to harvest nectar.
- **Mutualism:** Small Carpenter Bee (*Ceratina dupla*) — Visits the pale blossoms for pollen and nectar, aiding in the plant's sexual reproduction.

## Safety

**Danger:** 1/5 · Very low

No special safety notes yet.

## Frequently Asked Questions

### How to identify Pale-Spiked Lobelia?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How long is Pale-Spiked Lobelia?

30-100 cm

### How long does Pale-Spiked Lobelia live?

2-5 years

### What does Pale-Spiked Lobelia eat?

As a photosynthetic plant, it manufactures organic compounds from carbon dioxide and water utilizing solar energy, drawing essential mineral nutrients through its root system.

### Where is Pale-Spiked Lobelia usually found?

Typically found in open prairies, savannas, limestone glades, meadows, and along grassy roadsides with dry to moist, well-draining soils.

### How does Pale-Spiked Lobelia hunt?

Photosynthesis

## Where to spot

- [Calico Rock Historic District](https://www.snappit.app/guides/places/calico-rock-historic-district) — Arkansas, US · Historic District
- [Black Earth Rettenmund Prairie State Natural Area](https://www.snappit.app/guides/places/black-earth-rettenmund-prairie-state-natural-area) — Wisconsin, US · State Park

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Pale-Spiked Lobelia: Facts & Places to See — Snappit](https://www.snappit.app/explore/pale-spiked-lobelia)