FNA: Hymenopappus carrizoanus

	Hymenopappus carrizoanus
	Carrizo sands woollywhite
Habit	Biennials (perhaps flowering first year), 45–150 cm.
Leaves	basal 2-pinnate, (3–)8–12 cm, 2-pinnate, lobes 4–10 × 0.5–1 mm; cauline 12–25+.
Peduncles	(1–)2–5 cm.
Ray florets	0.
Disc florets	20–40; corollas whitish (drying pinkish), 3–4 mm, tubes 1.5–2 mm, throats funnelform, 1–1.5 mm, lengths 1–2 times lobes.
Phyllaries	gray-green, (3.5–)5–6 × (1.5–)2.5–3.5 mm.
Heads	45–60 per stem.
Cypselae	4 mm, ± hirtellous to villous; pappi of 16–20 scales 1–1.5 mm.

	Hymenopappus carrizoanus
Phenology	Flowering Apr–Jun.
Habitat	Sandy soils, oak woodlands
Elevation	50–100+ m (200–300+ ft)
Distribution	TX [BONAP county map]
Discussion	Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.)
Source	FNA vol. 21, p. 316.
Parent taxa	Asteraceae > tribe Heliantheae > subtribe Hymenopappinae > Hymenopappus
Sibling taxa	H. artemisiifolius, H. biennis, H. filifolius, H. flavescens, H. mexicanus, H. newberryi, H. radiatus, H. scabiosaeus, H. tenuifolius
Name authority	B. L. Turner: Phytologia 67: 294, fig. 1. (1989)
Web links	WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Carrizo sands woollywhite

Habit

Biennials (perhaps flowering first year), 45–150 cm.

Leaves

basal 2-pinnate, (3–)8–12 cm, 2-pinnate, lobes 4–10 × 0.5–1 mm;

cauline 12–25+.

Peduncles

(1–)2–5 cm.

Ray florets

Disc florets

20–40;

corollas whitish (drying pinkish), 3–4 mm, tubes 1.5–2 mm, throats funnelform, 1–1.5 mm, lengths 1–2 times lobes.

Phyllaries

gray-green, (3.5–)5–6 × (1.5–)2.5–3.5 mm.

Heads

45–60 per stem.

Cypselae

4 mm, ± hirtellous to villous;

pappi of 16–20 scales 1–1.5 mm.

Phenology

Flowering Apr–Jun.

Habitat

Sandy soils, oak woodlands

Elevation

50–100+ m (200–300+ ft)

Distribution

Discussion

Of conservation concern.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source

Parent taxa

Sibling taxa

Name authority

B. L. Turner: Phytologia 67: 294, fig. 1. (1989)

Web links

Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).

Choose a data source: Flora of North America

The species comparison tool is brought to you by:

Flora of North America species comparison