The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Texas bluebonnet

Habit Herbs, annual, 1.5–4 dm, pubescent, hairs appressed or ascending.
Stems

ascending or erect, branched.

Leaves

cauline, often crowded near base;

petiole 1–6 cm;

leaflets 5 or 6, blades 10–25 × 4–15 mm, adaxial surface glabrate.

Racemes

6–12 cm;

flowers crowded or spaced, spirally arranged, crowded on young growth.

Peduncles

3–8 cm;

bracts deciduous, 2.5–3 mm.

Pedicels

3–7 mm.

Flowers

9–12 mm;

calyx 5–6 mm, abaxial lobe 3-lobed, 3–4 mm, adaxial lobe cleft, 2–2.5 mm, hairs becoming yellowish gray or brown on dried material;

corolla pale blue-violet, banner spot white, keel glabrous, wings inflated.

Legumes

2.5–3.5 cm, yellowish gray- or brown-villous.

Cotyledons

usually persistent, petiolate.

Seeds

4 or 5.

2n

= 36.

Lupinus subcarnosus

Phenology Flowering spring.
Habitat Sandy soils, roadsides, open woodlands, coastal plains.
Elevation 0–300 m. (0–1000 ft.)
Distribution
from FNA
TX; Mexico (Coahuila, Nuevo Léon)
[BONAP county map]
Discussion

Lupinus subcarnosus is abundant and conspicuous in the coastal plain of southeastern Texas and extends into northern Mexico.

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

Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Lupinus
Sibling taxa
L. adsurgens, L. affinis, L. albicaulis, L. albifrons, L. andersonii, L. angustiflorus, L. antoninus, L. apertus, L. arboreus, L. arbustus, L. arcticus, L. argenteus, L. arizonicus, L. benthamii, L. bicolor, L. brevicaulis, L. breweri, L. cervinus, L. chamissonis, L. citrinus, L. concinnus, L. constancei, L. covillei, L. croceus, L. dalesiae, L. diffusus, L. duranii, L. elatus, L. elmeri, L. excubitus, L. flavoculatus, L. formosus, L. fulcratus, L. gracilentus, L. grayi, L. guadalupensis, L. havardii, L. hirsutissimus, L. huachucanus, L. hyacinthinus, L. kingii, L. kuschei, L. lapidicola, L. latifolius, L. lepidus, L. leucophyllus, L. littoralis, L. longifolius, L. ludovicianus, L. luteolus, L. magnificus, L. malacophyllus, L. microcarpus, L. nanus, L. neomexicanus, L. nevadensis, L. nipomensis, L. nootkatensis, L. obtusilobus, L. odoratus, L. onustus, L. oreganus, L. pachylobus, L. padrecrowleyi, L. peirsonii, L. perennis, L. polyphyllus, L. pratensis, L. pusillus, L. rivularis, L. sabineanus, L. sericatus, L. sericeus, L. shockleyi, L. sierrae-blancae, L. sparsiflorus, L. spectabilis, L. stiversii, L. succulentus, L. sulphureus, L. texensis, L. tidestromii, L. tracyi, L. truncatus, L. uncialis, L. villosus, L. westianus
Name authority Hooker: Bot. Mag. 63: plate 3467. (1836)
Web links