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Agalinis caddoensis

(Caddo False Foxglove)

Overview

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Extirpated

Threat status

Interesting Facts

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Common Names

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Common Names in English:

Caddo False Foxglove, Caddo Parish False-Foxglove

Description

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Family Orobanchaceae

Herbs annual , biennial, or perennial parasites, without chlorophyll. Stems unbranched or sometimes branched. Leaves scalelike, spirally or subimbricately arranged. Inflorescences racemose, spicate , or subcapitate , rarely 1-flowered; bract 1, usually similar to leaves; bractlets 2, adnate to base of calyx or pedicel. Flowers bisexual , subsessile or pedicelled. Calyx tubular, cupular, or campanulate , (3 or) 4-6-lobed, 2-6-parted, 6-toothed, or spathelike, sometimes absent or of 3 free sepals. Corolla bilabiate, usually curved , sometimes tubular-campanulate or funnelform with 5 subequal lobes ; upper lip entire, emarginate , or 2-lobed; lower lip 3-lobed. Stamens 4, didynamous , inserted at base of corolla tube ; filaments slender; anthers 2-celled, dehiscing longitudinally, sometimes 1 cell fertile and another sterile or reduced to spur. Pistil 2- or 3-carpellate; ovary superior; placentas 2-4 or 6(-10), parietal or sometimes axile at ovary base; ovules 2-4 or numerous , anatropous . Style long; stigma inflated , discoid , peltate, or 2-4-lobed. Capsule usually dehiscing loculicidally by 2 or 3(or 4) valves . Seeds minute, testa pitted or reticulate .

About 15 genera and 150 species: North Temperate regions , less represented in Africa, America, Asia, and Australia; nine genera and 42 species (nine endemic) in China.[1]

Physical Description

Habit: Forb/herb

Flowers: Bloom Period: June, July, August.

Size/Age/Growth

Size: 12-18" tall.

Biology

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Reproduction

Duration: Annual

Growth

Culture: Space 12-15" apart.

Sunlight: Sun Exposure: Full Sun .

Taxonomy

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Synonyms

Aureolaria auriculata (Michx.) Farw. • Gerardia auriculata Michx. • Gerardia caddoensis Pennell • Otophylla auriculata (Michx.) Small • Tomanthera auriculata (Michx.) Raf.

Notes

Publishing author : Pennell Publication : Proc. Acad. Nat. Sci. Philadelphia 1921, lxxiii. 519 (1922).

Similar Species

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Members of the genus Agalinis

ZipcodeZoo has pages for 42 species, subspecies, varieties, forms, and cultivars in this genus:

A. acuta (Sandplain False Foxglove) · A. aphylla (Coastal Plain False-Foxglove) · A. aspera (Rough Foxglove) · A. auriculata (Earleaf False Foxglove) · A. caddoensis (Caddo False Foxglove) · A. calycina (Leoncita False Foxglove) · A. densiflora (Osage False Foxglove) · A. divaricata (Pineland False Foxglove) · A. edwardsiana (Plateau False Foxglove) · A. fasciculata (Beach False Foxglove) · A. filicaulis (False Foxglove) · A. filifolia (Seminole False Foxglove) · A. gattingeri (Roundstem False Foxglove) · A. heterophylla (Prairie False Foxglove) · A. homalantha (San Antonio False Foxglove) · A. laxa (Two Line False Foxglove) · A. linifolia (Flax-Leaf False-Foxglove) · A. maritima (Salt-Marsh False-Foxglove) · A. maritima var. grandiflora (Saltmarsh False Foxglove) · A. maritima var. maritima (Saltmarsh False Foxglove) · A. navasotensis (Navasota False Foxglove) · A. neoscotica (Middleton False Foxglove) · A. nuttallii (Nuttall's False Foxglove) · A. obtusifolia (Ten-Lobe False-Foxglove) · A. oligophylla (Ridge-Stem False-Foxglove) · A. paupercula (Small Flower False Foxglove) · A. paupercula var. borealis (False-Foxglove) · A. paupercula var. paupercula (Smallflower False Foxglove) · A. pinetorum (Coastal Plain False Foxglove) · A. plukenetii (Chattahoochee False Foxglove) · A. pulchella (Purple Gerardia) · A. purpurea (Large-Purple False-Foxglove) · A. setacea (Thread-Leaved Gerardia) · A. skinneriana (Pale False Foxglove) · A. strictifolia (Stiff-Leaf False-Foxglove) · A. tenuifolia (Slender False-Foxglove) · A. tenuifolia var. leucanthera (Slenderleaf False Foxglove) · A. tenuifolia var. macrophylla (Slenderleaf False Foxglove) · A. tenuifolia var. parviflora (Slenderleaf False Foxglove) · A. tenuifolia var. polyphylla (Slenderleaf False Foxglove) · A. tenuifolia var. tenuifolia (Slenderleaf False Foxglove) · A. viridis (Green False Foxglove)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 19, 2007:

Identifiers

Footnotes

  1. Zhi-Yun Zhang & Nikolai N. Tzvelev "Orobanchaceae". in Flora of China Vol. 18 Page 229. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 7/15/2012