img

Schiedea kealiae

Caum & Hosaka (1936)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-CoreEudicot Order: Caryophyllales Family: Caryophyllaceae Genus: Schiedea

Description

Key Characters:

Growth Form: Subdioecious weakly erect to sprawling softly woody shrubs.

Stems: Stems often swollen at the nodes, terete (cylindrical), 4–angled or –ridged, 2–10 dm long, few–to many–stemmed from the base, forming loose clumps, the primary stems few–branched, weakly ascending to sprawling, internodes 0.3–4.5 cm long, pale green, glabrous below, minutely glandular–puberulent on the upper stems and inflorescence, sometimes glabrate.

Roots: Fibrous root system.

Leaves: Leaves simple. Opposite, often appearing fasciculate on short axillary stems. Blades lanceolate to elliptic–lanceolate, conspicuously falcate and usually slightly twisted, weakly v–shaped in cross section toward the apex and especially toward the base, 3–11 cm long, (0.3–) 0.7–1.2 (–2.4) cm wide. Apex attenuate and often slightly curved. Base leaf bases often connate around the stem, base tapered. Surfaces of young leaves and upper ones sparsely minutely glandular–puberulent, especially on the lower surface, the hairs sessile, 0.05––0.1 mm long, erect, white–opaque. blades; blades thin and membranous. Margins weakly revolute, blades recurved, becoming more so in age. 3 principal veins, these pale and somewhat translucent, the midvein slightly excentric. Petioles 0–0.5 cm long. Stipules absent.

Flowers: Flowers in inflorescence terminal, with 55–534 flowers, 3–11 cm long, laterally contracted and congested, lateral branches short, the branches and pedicels ascending, puberulent with hairs like those of the leaves; bracts green, linear–subulate, recurved, those of central axis 2–20 mm long, those of branches and flowers 0.5–2 mm long. hermaphroditic flowers occurring occasionally intermixed in staminate inflorescences, numbers varying with site and moisture, similar to staminate flowers except ovary and styles functional. Flowers subdioecious. Calyx of staminate flowers with sepals subequal, 2.5–3.4 mm long, narrowly ovate, yellowish green, yellow toward the base, opaque, reflexed and convex at the base, producing a small transverse bulge, the middle part concave, curved upward and broadly navicular to nearly flat in the distal ⅓, sometimes irregularly inrolled toward the apex, oriented at 90° to 100° angle to the pedicel, sparsely minutely glandular–puberulent, the glands almost sessile, margins scarious, apex obtuse. Calyx of pistillate flowers: sepals subequal, 2.1–2.5 mm long, narrowly ovate, yellowish green, opaque, convex at the base, producing a small transverse bulge, the middle part concave, nearly flat in the distal ½, inrolled at apex, oriented at 90° to 100° angle to the pedicel, sparsely minutely glandular–puberulent, the glands nearly sessile, margins scarious, apex obtuse. Corolla (petals) absent. Staminate flowers: Stamens 10, the filaments dimorphic, the antisepalous whorl 3.5–3.8 mm long, the alternate whorl 3.0 mm long; anthers ca. 0.6 mm long, pale yellow. Pistillate flowers: Stamens 10, vestigial, the filaments subequal, the antisepalous whorl 0.4-0.55 mm long, the alternate whorl 0.3–0.4 mm long; anthers ca. 0.15 mm long, yellowish white, not producing pollen. Ovary superior (pistillate flowers), 1-celled; ovule placentation free-central; styles (2–) 3–4. Staminate flowers: styles 2–3, greenish yellow, weakly elongating, non–functional.

Fruit: Capsules 2–2.5 mm long; narrowly ovoid. Seeds relatively few; ca. 0.6 mm long; orbicular–reniform; compressed; the faces depressed; the surface transversely rugose; perisperm starchy; hard or rarely soft; true endosperm absent.

Ploidy: 2n = possibly 60*

Habitat: In remnant <i>Sapindus oahuensis</i> dry forest now mixed with </i>Leucaena</i>; on steep slopes and exposed ledges.

Elevation Range: 60–305 m.

Historical Distribution

Images

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

O'ahu Endemic

Dispersal Agents


Pollinators

Notes

  • 60-300 m, northern Wai'anae Mountains, O'ahu
  • Description digitized by Mercedez
  • Description digitized from the Manual of the Flowering Plants of Hawaii
  • Schiedea kealiae has not been previously reported as dioecious. It is closely related to S. menziesii and differs primarily in being dioecious, rather than having perfect flowers, and in having denser inflorescences and smaller sepals. An apparently disjunct population (1954, Pearsall s.n., BISH) from Palikea, southern end of the Wai'anae Mountains, should be confirmed.

Bibliography

Name Published In: Occas. Pap. Bernice Pauahi Bishop Mus. 11(23): 3 (1936)

Other References

Wagner et al. 1990:515 (O); Wagner, Weller & Sakai 2005:107 (KEY, DESCR)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details ledges, steep hillside; with Chenopodium oahuense, Rauwolfia, Myoporum sandwicense, Osmanthus, Schinus terebinthifolius Preserved_Specimen Gagné, W.C. 644 Oahu BISH 1972-07-02
2 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details On open dry rocky slope. Preserved_Specimen Hosaka, E.Y. 1320 Oahu BISH 1936-02-02
3 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details ledges, steep hillside; with Chenopodium oahuense, Rauwolfia, Myoporum sandwicense, Osmanthus, Schinus terebinthifolius Preserved_Specimen Gagné, W.C. 644 Oahu BISH 1972-07-02
4 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details exposed ledges Preserved_Specimen Degener, O. 11036 Oahu BISH 1937-02-02
5 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details shaded by Leucaena; base of ledge face Preserved_Specimen Takeuchi, W.N. 57 Oahu BISH 1984-02-10
6 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details On cliffs, with BIdens, Leucaena leucocephala, Sida fallax, Sicyos, Canthium, Plumbago, Syzygium cumini, Schinus, Lepidium bidentatum, Lipochaeta remyi, Myoporum, Hibiscus arnottianus. Preserved_Specimen Perlman, S. 7002 Oahu BISH 1987-11-22
7 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details bare slope Preserved_Specimen Bryan Jr., E.H. 786 Oahu BISH 1934-09-25
8 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details bare slope Preserved_Specimen Bryan Jr., E.H. 786 Oahu BISH 1934-09-25
9 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Associated canopy vegetation: Diospyros sandwicensis, Euphorbia haeleeleana, Leucaena leucocephala; understory: Urochloa maxima, Hyptis pectinata, Rivina humilis. Preserved_Specimen Heintzman, S. 350 Oahu BISH 2014-06-02
10 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details shaded by Leucaena; base of ledge face Preserved_Specimen Takeuchi, W.N. 57 Oahu BISH 1984-10-02
11 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details On open dry rocky slope. Preserved_Specimen Hosaka, E.Y. 1320 Oahu BISH 1936-02-02
12 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details dry headland Preserved_Specimen St.John, H. 20028 Oahu BISH 1939-04-02
13 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details basalt ledges Preserved_Specimen Takeuchi, W.N. 3858 Oahu BISH 1988-04-24
14 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details On open dry rocky slope. Preserved_Specimen Hosaka, E.Y. 1320 Oahu BISH 1936-02-02
15 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details rocky banks Preserved_Specimen Takeuchi, W.N. 68 Oahu BISH 1984-02-10
16 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details exposed ledges; sunny Preserved_Specimen Degener, O. 10484 Oahu BISH 1935-07-14
17 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details grassy slope; Rauvolfia, Canthium, Sida, Chenopodium, Bidens, haole koa Preserved_Specimen Perlman, S. 5221 Oahu BISH 1987-02-12
18 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details vertical rock face Preserved_Specimen Obata, J.K. 80822 Oahu BISH 1980-02-16
19 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details open; in dry Leucaena scrub Preserved_Specimen Hatheway, W.H. 141 Oahu BISH 1950-06-25
20 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 6858 Oahu BISH 1998-02-12
21 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Pearsall, G.A. Oahu BISH 1954-06-11
22 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 5325 Oahu BISH 1984-03-02
23 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Oahu BISH 1934-08-01
24 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Caum, E.L. Oahu BISH 1942-04-01
25 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 1838 Oahu BISH 1913-02-14
26 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Selling, O. 3844 Oahu BISH 1938-09-18
27 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Degener, O. 5923 Oahu BISH 1931-09-13
28 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Bennett, T. 242 Oahu BISH 1982-03-25
29 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 6859 Oahu BISH 1998-02-12
30 Schiedea kealiae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Weller, K. Oahu BISH 1985-01-01
Back to Top