img

Nuttallanthus texanus

(Scheele) D.A.Sutton (1988)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Lamiales Family: Plantaginaceae Genus: Nuttallanthus

blue toad flax

Description

Key Characters:

Growth Form: Annual herbs.

Stems: Stems 1 to several, erect or ascending, 1–4(–5) dm long, unbranched or branched above, usually also with short, spreading, prostrate branches, these sometimes developing into upright flowering stems.

Roots:

Leaves: Leaves simple. Leaves of short basal stems opposite to ternate, those of erect flowering stems alternate. Those of short basal stems narrowly oblanceolate to spatulate, those of erect flowering stems linear. dimorphic, 0.5–1 cm long, 0.2–0.4 mm wide, 1–2.5(–3) cm long, 0.1–0.2 cm wide. Margins entire. Sessile. Stipules absent.

Flowers: Flowers in glabrous to glandular puberulent racemes. Flowers bisexual (perfect). Pedicels 1–7 mm long. Calyx 2.8–3.5 mm long, the lobes broadly lanceolate, Calyx 5-lobed, divided nearly to base, the lobes equal. Corolla pale blue to violet, palate whitish, 7–13 mm long, spur curved, 2–11 mm long, upper lip ca. 3.5–5 mm long, the lobes erect, lower lip 7–11 mm long, the lobes spreading, rounded. Stamens 4, in 2 pairs; anthers glabrous; stigma small, capitate. Ovary superior, 2-carpellate, with as many cells; ovule placentation axile.

Fruit: Capsules subglobose; 2.8–3.5 mm long; irregularly splitting at apex of each cell. Seeds angular; truncate; 0.3–0.5 mm long; the surface tuberculate or smooth.

Ploidy: 2n = 12; 24

Habitat: Naturalized in subalpine woodland and on dry slopes and ridges.

Elevation Range: 520–1,900 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

O'ahu Naturalized
Maui Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Rev. Antirrh.: 460 (1988)

Other References

Wagner et al. 1990:1241 (O, H [as Linaria canadensis var. texana]); Starr et al. 2002:25 (EM); Freeman 2019:41 (Syn. L. c. var. texana = N. texanus)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Nuttallanthus texanus (Scheele) D.A.Sutton Keauhou Ranch, Kau District found localized in a small area at the base of the small pali, PRESERVED_SPECIMEN Clarke, G. 472 Hawaii BISH 7/22/1980
2 Nuttallanthus texanus (Scheele) D.A.Sutton Keauhou Ranch, Kau District found localized in a small area at the base of the small pali, PRESERVED_SPECIMEN Clarke, G. Collector Number: 472 Hawaii BISH 7/22/1980
3 Nuttallanthus texanus (Scheele) D.A.Sutton keauhou ranch, kau district PRESERVED_SPECIMEN clarke, g. collector number: 472 Kauai BISH 7/22/1980
4 Nuttallanthus texanus (Scheele) D.A.Sutton Pasture, remanent of native forest. PRESERVED_SPECIMEN e.j. judziewicz 16719 IBUNAM 3/11/2017
5 Nuttallanthus texanus (Scheele) D.A.Sutton East Maui, Makawao, on pineapple road between Aala Rd. and cemetery. PRESERVED_SPECIMEN F. Starr & K. Martz 000411-1 Maui US 4/11/2000
6 Nuttallanthus texanus (Scheele) D.A.Sutton on crest of w wall behind w fork of pahole gulch, waialua, waianae mts PRESERVED_SPECIMEN k. nagata 1832 Oahu US 3/30/1979
7 Nuttallanthus texanus (Scheele) D.A.Sutton Kohala Mts, access road to upper Hamakua ditch, at edge of upper Waikoloa reservior. PRESERVED_SPECIMEN Wagner, W. L.; Miller, S. W.; Lammers, T. G.; Weller, S. G.; Sakai, S. 5542 Hawaii US 6/23/1985
8 Nuttallanthus texanus (Scheele) D.A.Sutton On crest of W wall behind W fork of Pahole Gulch, Waialua, Waianae Mts PRESERVED_SPECIMEN Nagata, K. M. 1832 Oahu US 3/30/1979
9 Nuttallanthus texanus (Scheele) D.A.Sutton Keauhou Ranch, Kau District, Puu oo trail, near HVNP boundary Growing in Pennisetum clandestinum - Anthoxanthum odoratum pasture. PRESERVED_SPECIMEN Cuddihy, L.W. Collector Number: 470 Hawaii BISH 5/20/1980
10 Nuttallanthus texanus (Scheele) D.A.Sutton Hawaii Volcanoes National Park, entrance to Kipuka Puaulu. PRESERVED_SPECIMEN Hobdy, R.W. 4338 Hawaii BISH 6/21/2011
11 Nuttallanthus texanus (Scheele) D.A.Sutton East Maui, Makawao, on pineapple road between Aala Rd. and cemetery Roadside in pineapple field. PRESERVED_SPECIMEN Starr, F. Martz, K. Collector Number: 000411-1 Maui BISH 4/11/2000
12 Nuttallanthus texanus (Scheele) D.A.Sutton kohala mts, access road to upper hamakua ditch, at edge of upper waikoloa reservior. PRESERVED_SPECIMEN w. l. wagner, s. w. miller, t. g. lammers, s. g. weller & s. sakai 5542 Hawaii US 6/23/1985
13 Nuttallanthus texanus (Scheele) D.A.Sutton Keauhou Ranch, Kau District found localized in a small area at the base of the small pali, PRESERVED_SPECIMEN Clarke, G. 472 Hawaii BISH 7/22/1980
14 Nuttallanthus texanus (Scheele) D.A.Sutton Keauhou Ranch, Kau District found localized in a small area at the base of the small pali, PRESERVED_SPECIMEN Clarke, G. Collector Number: 472 Hawaii BISH 7/22/1980
15 Nuttallanthus texanus (Scheele) D.A.Sutton keauhou ranch, kau district PRESERVED_SPECIMEN clarke, g. collector number: 472 Kauai BISH 7/22/1980
16 Nuttallanthus texanus (Scheele) D.A.Sutton Pasture, remanent of native forest. PRESERVED_SPECIMEN e.j. judziewicz 16719 IBUNAM 3/11/2017
17 Nuttallanthus texanus (Scheele) D.A.Sutton East Maui, Makawao, on pineapple road between Aala Rd. and cemetery. PRESERVED_SPECIMEN F. Starr & K. Martz 000411-1 Maui US 4/11/2000
18 Nuttallanthus texanus (Scheele) D.A.Sutton on crest of w wall behind w fork of pahole gulch, waialua, waianae mts PRESERVED_SPECIMEN k. nagata 1832 Oahu US 3/30/1979
19 Nuttallanthus texanus (Scheele) D.A.Sutton Kohala Mts, access road to upper Hamakua ditch, at edge of upper Waikoloa reservior. PRESERVED_SPECIMEN Wagner, W. L.; Miller, S. W.; Lammers, T. G.; Weller, S. G.; Sakai, S. 5542 Hawaii US 6/23/1985
20 Nuttallanthus texanus (Scheele) D.A.Sutton On crest of W wall behind W fork of Pahole Gulch, Waialua, Waianae Mts PRESERVED_SPECIMEN Nagata, K. M. 1832 Oahu US 3/30/1979
21 Nuttallanthus texanus (Scheele) D.A.Sutton Keauhou Ranch, Kau District, Puu oo trail, near HVNP boundary Growing in Pennisetum clandestinum - Anthoxanthum odoratum pasture. PRESERVED_SPECIMEN Cuddihy, L.W. Collector Number: 470 Hawaii BISH 5/20/1980
22 Nuttallanthus texanus (Scheele) D.A.Sutton Hawaii Volcanoes National Park, entrance to Kipuka Puaulu. PRESERVED_SPECIMEN Hobdy, R.W. 4338 Hawaii BISH 6/21/2011
23 Nuttallanthus texanus (Scheele) D.A.Sutton East Maui, Makawao, on pineapple road between Aala Rd. and cemetery Roadside in pineapple field. PRESERVED_SPECIMEN Starr, F. Martz, K. Collector Number: 000411-1 Maui BISH 4/11/2000
24 Nuttallanthus texanus (Scheele) D.A.Sutton kohala mts, access road to upper hamakua ditch, at edge of upper waikoloa reservior. PRESERVED_SPECIMEN w. l. wagner, s. w. miller, t. g. lammers, s. g. weller & s. sakai 5542 Hawaii US 6/23/1985
Back to Top