Artabotrys punctulatus

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Taxonavigation

Ordo: Magnoliales
Familia: Annonaceae
Genus: Artabotrys

Name

Artabotrys punctulatus C.Y.Wu ex S.H.Yuan – Wikispecies link – Pensoft Profile

• Artabotrys punctulatus C.Y.Wu ex S.H.Yuan, Acta Bot. Yunnan. 4: 260 (1982). – TYPE: China, Yunnan, Jinghong, 1015 m, 9 Apr 1957, Exped. Biol. Sino-Ross. ad prov. Yunnan 7654 (holotype: KUN! [barcode KUN 0045889]; isotypes: IBSC, n.v., PE! [barcode PE 00934500]).

Distribution and habitat

Southern China (Yunnan) and Thailand (Khao Yai National Park and Phu Kradueng National Park), in lower montane forests, 1000–1500 m elev. (Fig. 5).

Local name

Karawek Kra.

Specimens examined

Thailand: Loei Province, Phu Kradueng National Park, 24 Dec 1971, 1300 m, van Beusekom et al. 4555 (L); Nakhon Ratchasima Province, Pak Chong District, Khao Yai National Park, 1200 m, T. Insura 43; idem, T. Insura 101; idem, T. Insura 102; idem, T. Insura 103; idem, T. Insura 104 (KUFF); idem, U. Thongpairoj 235 (CMU).

Notes

Specimens of this species were mistakenly recognised as a new species (“A. sp. 5 (Kao Yai)”) by Thongpairoj (2008) and misidentified as “A. aereus” by Insura (2009). Artabotrys punctulatus can be distinguished from A. aeneus (which is only known from Vietnam) by its chartaceous leaves, sparsely pubescent (vs. densely villose) flowering pedicels, sepals and petals, smaller sepals and its elongated, raised rim between the claw and blade on the adaxial surface of the inner petals.

Key to the native Artabotrys species in Thailand

Key to the native Artabotrys species in Thailand — J. Chen , P. Chalermglin , R. Saunders

1		Young branches velutinous; abaxial surface of leaves densely hairy    2
–		Young branches glabrous to sparsely hairy; abaxial surface of leaves glabrous to sparsely hairy    3
2		Leaf apex acuminate; leaf laminas broadly elliptic and coriaceous; petal blades 10–15 mm wide     A. siamensis
–		Leaf apex caudate; leaf laminas oblong and chartaceous; petal blades 2–5 mm wide     A. uniflorus
3		Pedicels less than a quarter of the length of the flower    4
–		Pedicels slightly shorter, as long as, or longer than flower    6
4		Petal blades linear, 1–2 mm wide; sepals ca. 3 mm long, ca. 2.5 mm wide; leaf laminas 10.5–19 cm long, 4–9 cm wide     A. tipuliferus
–		Petal blades oblong-elliptic, 7–12 mm wide; sepals 4–10 mm long, 4–8 mm wide; leaf laminas 7–14 cm long, 2.5–4.2 cm wide    5
5		Inflorescences with up to 5 flowers; petal blades chartaceous, 2.8–3.3 cm long, 0.7–1 cm wide; monocarps distinctly stipitate (stipes 3–5 mm long) and slightly beaked (beak 1–2 mm long)     A. brevipes
–		Inflorescences with a solitary flower; petal blades coriaceous, 3.5–4 cm long, ca. 1.2 cm wide; monocarps sessile and sharply beaked (beak up to 1 cm long)     A. oxycarpus
6		Stamen connectives apiculate    7
–		Stamen connectives truncate    8
7		Young branches often with spines; leaf apex retuse, truncate or mucronate; leaf laminas 6–8 cm long, 2.5–4.5 cm wide; monocarps ellipsoid, 3.5–4.5 cm long, 1–2 cm wide     A. spinosus
–		Young branches without spines, leaf apex acuminate; leaf laminas 9–15 cm long, 3–7 cm wide; monocarps obovoid, 3–3.5 cm long, 2–2.5 cm wide     A. harmandii
8		Petal blades terete; monocarps 1–2(–4) per fruit     A. suaveolens
–		Petal blades not terete; monocarps 4–30 per fruit    9
9		Inflorescences with 10–20 flowers; monocarps not beaked    10
–		Inflorescences with up to 4 flowers; monocarps beaked    11
10		Petals chartaceous, yellow (in fresh material); adaxial surface of inner petals with a short, raised rim between claw and blade (ca. 1 mm long); leaf laminas coriaceous     A. multiflorus
–		Petals coriaceous, green to beige with maroon patches (in fresh material); adaxial surface of inner petals with an elongated, raised rim between claw and blade (ca. 5 mm long); leaf laminas chartaceous     A. punctulatus
11		Outer petals with externally distinct blades and claws; inner petal blades rhomboid or spathulate    12
–		Outer petals without externally distinct blades and claws; inner petal blades ovate or triangular    13
12		Outer petal blades undulate; outer petal claws broadly ovate; inner petal blades rhomboid and undulate; monocarps slightly beaked (beak less than 1 mm long)     A. tanaosriensis
–		Outer petal blades flat; outer petal claws broadly rhomboid; inner petal blades broadly spathulate and strongly concave; monocarps strongly beaked (beak ca. 2 mm long)     A. spathulatus
13		Leaf laminas chartaceous, 3–4 cm wide; leaf base asymmetrical; flowering pedicels 4–6 mm long; monocarps 2–2.5 cm long, 0.8–1.2 cm wide     A. oblanceolatus
–		Leaf laminas coriaceous, 4–13.5 cm wide; leaf base symmetrical; flowering pedicels 10–25 mm long; monocarps 3–4.5 cm long, 2–3.5 cm wide    14
14		Leaf laminas 9–15.5 cm long, 4–7 cm wide; outer petals 1.5–2 cm long; monocarps ca. 6 per fruit, 4–4.5 cm long, 2–3.5 cm wide     A. venustus
–		Leaf laminas 21–32 cm long, 8.5–13.5 cm wide; outer petals 1.3–1.6 cm long; monocarps ca. 20 per fruit, 3–3.5 cm long, ca. 2 cm wide     A. byrsophyllus

Taxon Treatment

• Chen, J; Chalermglin, P; Saunders, R; 2018: Two new species and two new records of Artabotrys (Annonaceae) from Thailand PhytoKeys, (95): 71-81. doi

Images

Figure 4. Artabotrys punctulatus. A Inflorescence B Fruit (Photos: P. Chalermglin).  Figure 5. Distributions of A. byrsophyllus, A. punctulatus, A. spathulatus and A. tanaosriensis in Thailand and surrounding areas. Localities of A. byrsophyllus in Peninsular Malaysia were retrieved from Turner and Utteridge (2015). Localities of A. punctulatus in Yunnan were retrieved from georeferenced herbarium records in GBIF (https://www.gbif.org/).