| Dicotyledon | Literature for Senna gaudichaudii
Wagner et al., 1990, 1999. |
| Fabaceae -- The Pea Family | Bibliography |
| Senna gaudichaudii | |
Common name(s): heuhiuhi, kalamona, kolomona, uhiuhi |
| General Information | ||
|---|---|---|
| Distribution | Occurring in the Pacific Basin, including the New Hebrides, Austral Islands, Rapa, Henderson Island, Fiji, Hawai`i, and perhaps New Caledonia and Tahiti.In the Hawaiian Islands, indigenous to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Kaho`olawe, Hawai`i. | |
| Habit |
Shrubs 0.5-3(-4) m tall, young parts sparsely to densely yellowish pubescent (hairs spreading) or rarely glabrous. |
|
| Leaves |
Leaflets (3)4-5(6) pairs, the distal ones larger, oblanceolate to elliptic, elliptic-oblanceolate, occasionally oblong-elliptic or oblong-lanceolate, 2-7(-10.5) cm long, (0.6-)1-1.8(-3.3) cm wide, upper surface green, glabrous to pubescent along midrib, lower surface glaucous and evenly pubescent, pubescent only along midrib, or glabrous, margins ± ciliate, apex rounded, emarginate, base obliquely rounded, clavate nectaries 1-3 mm long present between the first and usually second pairs of leaflets, stipules linear-subulate, 6-18 mm long, deciduous or occasionally shortly persistent. |
|
| Flowers |
Flowers in racemes 2-10 cm long, pedicels 11-24 mm long, bracts narrowly ovate to lanceolate, 3-7 mm long, persistent; calyx lobes elliptic-ovate, outer ones 3-4 mm long, inner ones 5-9 mm long; petals greenish white to chartreuse or pale yellow, occasionally tinged red, narrowly to broadly obovate or ovate, 9-17 mm long; fertile stamens 10, all nearly similar to one another, slightly increasing in size toward abaxial side of flower; filaments 9, 1.3-1.5 mm long, the central abaxial one 1.8-2 mm long. |
|
| Fruit |
Pods pendulous, chartaceous, strongly compressed, 6-13 cm long, 1.2-1.5 cm wide, base constricted to a stipe 0.6-1.2 cm long, indehiscent or tardily so, the cavity with narrow interseminal septa. |
|
| Seeds |
Seeds oriented transversely in 1 row, compressed parallel to the valves, dark reddish brown, glossy to only slightly so, compressed-ellipsoid, oblong-ellipsoid to suborbicular, 6-8 mm long, the pleurogram inconspicuous, ca. 4-5 mm long. |
|
| Chromosomes |
2n = 28* |
|
